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

Tutors Answer Your Questions about Exponents (FREE)

Question 723395: what the answer to x to the power of two plus nine x plus eight? I'm factoring equations
Click here to see answer by Alan3354(69443)

Question 723697: If one takes the values outputted by the function x^x when given whole numbers and makes a ratio of them, akin to what is done with consecutive numbers of the fibonnanci series to find the golden ratio, is a similar ratio reached, or does it just approach closer and closer to 0? If such a ratio exists, what would the value be to the nearest millionth?
Click here to see answer by lynnlo(4176)

Question 724187: How do I do a problem like this: 5(3.2 x 10 to the -4 power) and it says to simplify. Write answer using scientific notation.
Click here to see answer by Alan3354(69443)

Question 724353: simplify
(7b)negative 2 to the second power
Click here to see answer by Alan3354(69443)

Question 724530: # If x^2+y^2=24 and xy=7 than solve for (x+y)^2
Solution ::
We know that
(x+y)^2 = x^2 + 2xy + y^2
thErEforE , wE gEt
(x+y)^2 = 24 + 2*7 = 38
Click here to see answer by Abdul Hannan(9)

Question 724584: 5-3(8-3*4)2nd power=
when I do that is the () do I do it from right to left or do I do the mutilation first?
Click here to see answer by JBarnum(2146)

Question 724784: hey.. i'm abbi hunt on google plus ........i love justin......... i need help with exponents ..i'm stupid
Click here to see answer by Alan3354(69443)

Question 724529: If x^2 +y^2=24 and xy=z solve for(x+y)^2
Click here to see answer by jsmallt9(3758)

Question 725017: Let x be an integer that satisfies x^4 + 24 = 105. What is the value of x^2 − 24?
Click here to see answer by jsmallt9(3758)

Question 725522: How do i make a convincing argument that 3 to the power of 0 is 1 using, 3 to the third power=27, 3 to the power of two=9, and 3 to the power of DISABLED_event_one= 3?
Click here to see answer by mananth(16946)

Question 726920: x4 + 3x2 = -1 solve fro x
Click here to see answer by tanjo3(60)

Question 727813: (x^-1y^-1)^-3(2y^4)^4
Click here to see answer by stanbon(75887)

Question 728153: (r^3)^4 divided by (r^3)^8
Click here to see answer by lynnlo(4176)

Question 728512: Find the power of i
(-i)42
Possible answers:
A) (-i)2
B) 1
C) i
D) -i
E) -1
Click here to see answer by stanbon(75887)

Question 728511: Perform the indicated operation and simplify. Write the answer in the form a + bi.
(4-2i)2
Possible answers:
A) None
B) 16 - 12i
C) 16 - 20i
D) 20 - 16i
E) 12 - 16i
Click here to see answer by jim_thompson5910(35256)

Question 728636: Find the amount accumulated to the nearest cent on $700 compounded annually for 3 years at 9 %

Formula: A=p(1+R)
Click here to see answer by ohtheirony(35)

Question 728692: What does the symbol "I" represent?
Click here to see answer by Alan3354(69443)

Question 729408: 1000 to the power of 2m-4 = 100 to the power of 2(m+3) . Solve for M
Click here to see answer by Alan3354(69443)

Question 729553:
neg 40 'w' to the 8th power divided by 8'w'
Click here to see answer by checkley79(3341)

Question 729697: how do I get y by itself?
I subtracted x^(1/4) on both sides then took everything to the fourth root but not sure how to simplify
Click here to see answer by josgarithmetic(39617)

Question 729761: Can you help solve this inequality 4x^2 -2< -7x
Click here to see answer by lwsshak3(11628)

Question 729766: Can you show me how to write this in exponential form? (√a)-3/2. With the steps please?
Click here to see answer by mbmodak(32)

Question 730130: Simplify the expression.
(-5p)^2

Click here to see answer by rfer(16322)

Question 730105: (9a)^-2
Click here to see answer by Alan3354(69443)

Question 730187: Please help me solve this exponents question:
2^-3 / 2^4
(In words: Two raised to negative three divide by two raised to the power of four).
Kindly show the steps.
Thanking you in advance.
Click here to see answer by jim_thompson5910(35256)

Question 730764: use the binomial theorem to evaluate (98)^4
Click here to see answer by lynnlo(4176)

Question 730767: if the 21st and 22nd terms in the expansion of (1+x)^44 are equal, find the value of x
Click here to see answer by lynnlo(4176)

Question 731006: I understand that when you are trying to solve for x when it is an exponent, you want to get the same base; however, I don't understand these two questions as I cannot seem to get the same base.. Thank you!
1. 2^-2x = 15
2. 5(10^x) = 180
Click here to see answer by josgarithmetic(39617)

Question 731267: simplify each expression : (-3/7) squared as you know they are written with 2 to the second power please HeELP!!! :)
Click here to see answer by Alan3354(69443)

Question 731273: I don't understand how to complete this problem. The answer key says it should be 2 but I don't get that answer. Here's the problem(sorry I don't know how to type this stuff):
The cube root of 88 / the cube root of 11
I did 88^1/3 over 11^1/3 and then got 88/11 which then becomes 8. Please help! I don't know what I'm doing wrong. Thank you :)
Click here to see answer by KMST(5328)

Question 731837: m^4+84=
Click here to see answer by Alan3354(69443)

Question 731876: (4.95 x 10^4) (2.6 x 10^-1)
Click here to see answer by stanbon(75887)

Question 731986: I'm just not sure if I've been doing division right of exponents.
10^6/10^2. I thinks it's 1^4 but then Again it could be 10^4. So witch is right or neither.
Click here to see answer by Alan3354(69443)

Question 731987: I could use some help on division of exponents. I think I'm doing it right but the answer just seems wrong.
10^6/10^2. I've been getting 1^4. But I think I wrong and want to double check
Click here to see answer by Alan3354(69443)

Question 732034: Simplify:
(-13x^2+9x-14)-(-2x^2-6x+1)
Click here to see answer by Alan3354(69443)

Question 732034: Simplify:
(-13x^2+9x-14)-(-2x^2-6x+1)
Click here to see answer by rfer(16322)

Question 732046: simplify -(-x^2+1)/(x^2+1)^2
Click here to see answer by Vladdroid(91)

Question 732100: Simplify.
(2x)^-5
Click here to see answer by lynnlo(4176)

Question 731842: Simplify:
{-2/5z to the fifth power}to the third power{10z}squared
Click here to see answer by lynnlo(4176)

Question 732346: a student receives his grade report from a local community college, but the GPA is smudged. he took the following classes, a 2 hour credit art, a 3 hour credit history, a 4 hour credit science course, a 3 hour math credit course, and a 1 hour science lab. he received a B in the art class, an A in the history class, a C in the science class, a B in the math class and an A in the science lab. what was his GPA if the letter grades are based on a 4 point scale. (A=4,B=3,C=2,D=1,F=0)
Click here to see answer by lynnlo(4176)

Question 732532: why does 5 to the 4 power x 5 to the 3 power = 5 x 5 to the 6 power

Click here to see answer by Alan3354(69443)

Question 732477: how to solve (11^x)(24^y) thank you..:)
Click here to see answer by lynnlo(4176)

Question 732579: Solve the logarithmic equation.reject any value of x that is not in the domain of the original logarithmic expression. log (x + 16) = log x + log 16
Click here to see answer by josgarithmetic(39617)

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