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

Tutors Answer Your Questions about Exponents (FREE)

Question 193401: Using scientific notation, 4.5 x 10^-8 divided by 2.5 x 10^-3
Click here to see answer by Mathtut(3670)

Question 193412: With scientific notation 3.2 X 10^-6 divided by 6.4 X 10^2
Click here to see answer by Mathtut(3670)

Question 193598: please explain in what order i would solve these problems
3-15*5 & 5*(8+7)+7
Click here to see answer by stanbon(75887)

Question 193935: (x-3) ^2 = 20

answer 3 +2 sqrt 5,3 - 2 sqrt 5

why is the answer 3 + 2 sqrt 5,3 -2 sqrt 5

need a full break down
Click here to see answer by jim_thompson5910(35256)

Question 194415: Simplify the expression completely using the rules of exponents:

(b4)(b^6)
_________
(b^2)^2
I am having a very difficult time undersatnding how to even go about this if you could show me the steps so I can get it that woul dbe great!:) Thank you so much for the help
Click here to see answer by ankor@dixie-net.com(22740)

Question 194431: x2 y4
______=?
x4 y2
Click here to see answer by user_dude2008(1862)

Question 194435: Evaluate this expression.
1. square root:(27x^6/64)
Click here to see answer by checkley77(12844)

Question 194878: Write with possible exponents. Simplify if possible.
x^-1/15

Click here to see answer by user_dude2008(1862)

Question 194874: Simply and express with positive exponents
(x^1/18)^3
Click here to see answer by user_dude2008(1862)

Question 194897: Evaluate if possible
√-225
Click here to see answer by checkley77(12844)

Question 194896: Multiply and simplify
(7-√2)(2+√2)
Click here to see answer by checkley77(12844)

Question 195128: 4 sqrt 300 - 8 sqrt 75

why is the answer: 0 neeed a full break down
Click here to see answer by jim_thompson5910(35256)

Question 196043: Thank you for looking...
Multiply (2x - 3y)^2
Multiply (6x - 7)(6x + 7)
Divide (3x^3 - x^2 + 10x - 4) / (x + 3)
Click here to see answer by jim_thompson5910(35256)

Question 191430: Simplify.
-3x(x^2+2)
-3x^3 + -6x
Click here to see answer by acbella05(1)

Question 196538: Please help need detail on how to solve this. should show up like x-3 divided by 5 and the 1/3 as a fraction (x)

Same with second question have solution want to make sure i am doing it correctly x = -3 y = 4
Click here to see answer by ankor@dixie-net.com(22740)

Question 196653: (-2x^-2)^2
Click here to see answer by jim_thompson5910(35256)

Question 196956: Simplify: 25^1/2
Click here to see answer by user_dude2008(1862)

Question 197018: What would be the product of -3x� and 11x�?
Click here to see answer by Mathtut(3670)

Question 197019: Which ordered pair is the solution of the following system of equations?
3x+y=10
2x-y=5
a. (1,3)
b. (5,5)
c. (3,1)
d. (-5,5)

Click here to see answer by Mathtut(3670)

Question 197337: solve the exponential equation. Two decimal places for solution
e^2x+e^x-6=0
The 2x and x on the e are above. Can you help me answer this one?
Click here to see answer by Earlsdon(6294)

Question 197326: 8x3y2z

Click here to see answer by Mathtut(3670)

Question 197538: Find the product of -3x� and 11x to the 4th power.
Click here to see answer by jim_thompson5910(35256)

Question 198011: The sum of two binomials is 3x�-5x.If one of the binomials is 2x�-x, what is the other?
Click here to see answer by jim_thompson5910(35256)

Question 198011: The sum of two binomials is 3x�-5x.If one of the binomials is 2x�-x, what is the other?
Click here to see answer by solver91311(24713)

Question 198089: the product of 2 consecutive odd integers is 99 find all possible pairs
Click here to see answer by edjones(8007)

Question 198251: what is the solution of 19^90
Click here to see answer by arallie(162)

Question 198311: 600000=294105*(1.085)^t
what is "t"?
Click here to see answer by josmiceli(19441)

Question 198347: can someone explain how to do this math problem
-3^2+3^2
Click here to see answer by edjones(8007)

Question 198347: can someone explain how to do this math problem
-3^2+3^2
Click here to see answer by stanbon(75887)

Question 198420: The product of 3x� and 5x to the 4th power is equivalent to
1.15x to the 6th power
2.15x to the 8th power
3.8x to the 6th power
4.8x to the 8th power

Click here to see answer by Alan3354(69443)

Question 198464: I am confused and need help! Thank you!
Simplify the expression
(k^2)^4
Thank you!
Click here to see answer by arallie(162)

Question 198467: This question is really hard and I need some help! Thank you!
Evaluate 1/2^-22^-3-4^5
Thank you!
Click here to see answer by arallie(162)

Question 198692: x to the power of 2/3 divided by x to the power of 1/3 is equal to 4
what is x?
Click here to see answer by ankor@dixie-net.com(22740)

Question 198889: Express 6a�b� divided by 2ab� in lowest terms.
Click here to see answer by jim_thompson5910(35256)

Question 199020: The greatest common monomial factor of 12x� and 8x� is
1)96x to the 5th power
2)12x�
3)8x�
4)4x�
Click here to see answer by AbyBavy(4)

Question 199010: The product of 3x�y and 2x�y is
1)6x to the 5th power and y�
2)6x to the 5th power and y
3)5x to the 5th power and y�
4)5x to the 6th power and y�
Click here to see answer by AbyBavy(4)

Question 199085: if n is a positive integer,then (6*10^-n)+(1*10^-n) must equal?
Click here to see answer by jim_thompson5910(35256)

Question 199085: if n is a positive integer,then (6*10^-n)+(1*10^-n) must equal?
Click here to see answer by RAY100(1637)

Question 199505: Please help me with this math problem
S=U+1/2GT2; Let t be the subject

Click here to see answer by vleith(2983)

Question 199666: Please help me answer this:
3^(4x) = 27^(x-2)
Thanks.
Click here to see answer by jim_thompson5910(35256)

Question 199714: True or false: The function "f(x) = 4^x" grows four times faster than the function "g(x) = x". Explain
Click here to see answer by Alan3354(69443)

Question 199713: Do exponential functions only model phenomena that grow, or can they also model phenomena that decay? Explain what is different in the form of the function in each case.
Click here to see answer by solver91311(24713)

Question 199825: 5(x+2)=6x+3
Click here to see answer by nerdybill(7384)

Question 199825: 5(x+2)=6x+3
Click here to see answer by rfer(16322)

Question 199906: If the population in New York was 107.4 million in the year 2006 and it continues to grow at an annual rate of 1.43% then the population in 2028 will be
107.4(1.0143)14 power.
Find the predicted population in 2020 to the nearest 10th of a million
My team mates and I can not figure out how to lay out the equation for this one.
So we thought 2020=2006= 14yrs. and 2028-2020 = 8 yrs difference.
then multiply the 1.43 x 12 x 8 ????? I'm/were confused.
Click here to see answer by jim_thompson5910(35256)

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