Questions on Algebra: Exponents and operations on exponents answered by real tutors!

Tutors Answer Your Questions about Exponents (FREE)

Question 348322: solve the following base additions;
1,1011+1011 to base 2
2, 421+12+42 to base 5
3, 774+447+113
also substractions of bases
1, 1101-11 base 2
2,321-113 to base 5

Click here to see answer by checkley77(12844)

Question 348572: Simplify (3x^4y^3) (18x^3y^5)
Click here to see answer by Fombitz(32388)

Question 348650: A computer can perform 600,000 operations in one second. To the nearest minute, how many minutes will it take for the computer to perform 10^8 operations?
(Please show all of the work that supports your answer. Avoid performing intermediate steps in your head.can you provide help provide me with the intermediate steps of the work and the reason for each step.
Click here to see answer by nerdybill(7384)

Question 348661: Add or subtract as indicated. Simplify. Show factoring and cancellingm and the steps for finding the lowest common denominator. (Assume that no denominator is 0.)
2x/5y - 3x/4y
PLEASE HELP ME I'M STUCK!! Thank you!!
Click here to see answer by mananth(16946)

Question 348733: Find all the values of x that satisfy the following equations.
4(7x-21)+14(7x-21)
Click here to see answer by solver91311(24713)

Question 348730: Simplify 49^5/2
I came up with 7^5 = 16807
Is that simplified enough?
Click here to see answer by Fombitz(32388)

Question 348730: Simplify 49^5/2
I came up with 7^5 = 16807
Is that simplified enough?
Click here to see answer by ewatrrr(24785)

Question 348746: Find all the values of x that satisfy the following equations.
4(7x-21)=14(7x-21)

Click here to see answer by JBarnum(2146)

Question 348772: 1.(25 to the 6th power)(45 to the second power)
2.(5k)2nd power(k to the seventh power)
3.(4k to the 4 power)(-3k) to the 3rd power
Click here to see answer by checkley77(12844)

Question 349206: Simplify:
x(x^-3)^2y(xy^-2)^-3
I think the answer is xx^6yx^-3y^-6
But the answer key said I am wrong!
It has the answer as xx^-6yx^-3y^6
Where am I going wrong?
Click here to see answer by Fombitz(32388)

Question 349151: Solve for the variable in each equation below. Show all your work. Provide a check for each answer. If a solution is undefined, state that in your answer.
1-.1y>.2
CHECK:
Please help me, I don't even know where to start with this one, and I need help as soon as possible. Thank you! :)
Click here to see answer by Fombitz(32388)

Question 349464: what is -2^2
Click here to see answer by Fombitz(32388)

Question 349867: I figured out the answer but I cannot do the equation. here is the problem.
A 2000L tank containing 550L of water is being filled with water at the rate of 75L per minute from a full 1600L tank. How long will it be before the two tanks have the same amount of water?
Thank you.
Click here to see answer by Fombitz(32388)

Question 350086: p2*p5*p/p6
Click here to see answer by Fombitz(32388)

Question 350017: (3m^-1n^4)^-2 (2m^3n^-5)^4
Click here to see answer by Fombitz(32388)

Question 350169: what is 2 cubed
Click here to see answer by edjones(8007)

Question 350418: how do I solve a problem like this??

r^4/2
Click here to see answer by jim_thompson5910(35256)

Question 350771: I am so lost on this algebra class. Please help me with this question. Simplify. Express your answer with positive exponents. (3xy^-2/x^3)^2 I would soo appreciate any help at all. Thank you.
Click here to see answer by Alan3354(69443)

Question 351153: x2yp5+2xy2p3+3p5x2y-7y2xp5
I know the solution is 4x2yp3-5xy2p5, but do not understand how you get the 4
Click here to see answer by unlockmath(1688)

Question 351153: x2yp5+2xy2p3+3p5x2y-7y2xp5
I know the solution is 4x2yp3-5xy2p5, but do not understand how you get the 4
Click here to see answer by stanbon(75887)

Question 351162: How do I solve 9x^3=25x solving for x.
Click here to see answer by nerdybill(7384)

Question 351163: How do I factor -4x^2-14x-6?
Click here to see answer by scott8148(6628)

Question 351762: solve the problem u^3 - 125
Click here to see answer by stanbon(75887)

Question 351762: solve the problem u^3 - 125
Click here to see answer by Fombitz(32388)

Question 351881: =$3,000(1+0.08)^-2
Answer = $2,572
How are they getting this answer? I am reading the chapter but I am not getting it.
Click here to see answer by stanbon(75887)

Question 352007: i am having problems with my math homework. The directions are WRITE IN EXPONENTIAL FORM.
Sample of the math problem:
5*5*5*5*5*5
(the * are suppose to be dots but i can't find how to put them in)
Click here to see answer by jrfrunner(365)

Question 351941: a to the 3 power + a to the t power=
Click here to see answer by Fombitz(32388)

Question 352084: Can someone please explain the process for this problem:
(x^3+3)^2-9
This is how i get to my answer:
x^6+3x^3+3x^3+9-9
x^6+6x^3
The book states the answer is:
x^6+3x^3
I'm not understanding why? Any help would be greatly appreciated.
Click here to see answer by mananth(16946)

Question 352155: (64x^2)/(4x^2-16x+16)*(4x-8)/(8x)
I was to multiply and simplify and write the answer in an exponential notation using positive exponents and got 8x/x-2. Is that right?
Click here to see answer by stanbon(75887)

Question 352547: (8x)^-7(8x)^3= thank u so much for any help u can provide me with
Click here to see answer by mananth(16946)

Question 352647: x(2x-5)=12 Factoring and Solving Polynomials
Click here to see answer by sofiyac(983)

Question 352753: If 7 to the 8th power is divided by 7 to "n" power equals 7 to the 6th power, what is the value of "n"?
Click here to see answer by Fombitz(32388)

Question 353158: what is the degree of (7x to the 12th power y to the 3rd plus 9x to the sixth y to the third) and why?

Click here to see answer by Edwin McCravy(20054)

Question 353306: What is the lowest common denominator of:
3/10x+10 and x/5x^2-5?
Please help me!!! I have no clue what to do!!! Thanks! :)
Click here to see answer by stanbon(75887)

Question 353413: Hi,
Can you help me solve this.
Show all intermediate steps of your work for this problem.
Explain which term has the largest value:
you help me solve this.
2^9/16,
2^8/15
or 2^17/32
Click here to see answer by Alan3354(69443)

Question 353583: find the derivative of the function
y = 2^3^x^2
Click here to see answer by Fombitz(32388)

Question 353582: find the derivative of the function

Click here to see answer by vleith(2983)

Question 353582: find the derivative of the function

Click here to see answer by Fombitz(32388)

Question 353582: find the derivative of the function

Click here to see answer by Edwin McCravy(20054)

Question 352796: [4xy]to the second power
Click here to see answer by sofiyac(983)

Question 353424: Can somebody please tell me how to do this in steps , i had a test on this a day and i dont think it went well at all i just really need help with this , if so can you try to right this in steps -5x+8-4x exponet 2 -4x+2x exponet 2
Click here to see answer by Fombitz(32388)

Question 353637: Hi,
This message is for Alan 3354(11836) the math problem is two divided by nine over sixteen, two divided by eight over fifteen or two divided by seventeen over thirty two. Explain which term has the longest value. showing each step how you got the answer.Thanks,Tracy
Click here to see answer by Alan3354(69443)

Question 352646: 4y2-15y+9 Factoring and Sloving Polynomials
Click here to see answer by sofiyac(983)

Question 354118: show me how to factor 2x to the 8th power + 6x to the 7th power +4x to the 6th power
Click here to see answer by nerdybill(7384)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020