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

Tutors Answer Your Questions about Exponents (FREE)

Question 14436: if a^x=b is it possible to express x in terms of a & b?
Click here to see answer by atif.muhammad(135)

Question 15795: Please help me solve this equation, I've worked on it for several hours and I am not sure about the answer.
(1 2/13)^-2 (3/4)^0 (5/6)^-1
Thank you, much appreciated.

Click here to see answer by rapaljer(4667)

Question 16044:

Click here to see answer by doreenleigh_16(1)

Question 16276: 2.56 X 10^9
Click here to see answer by tjnw79(57)

Question 16278: PLEASE HELP ME WITH THIS EQUATION

Click here to see answer by rapaljer(4667)

Question 16388: What does 1n means
Click here to see answer by pwac(253)

Question 16611: How do I isolate an exponent in an equation to calculate it? For example the following compound interest equation; if I wanted to isolate t (time in years) how would I do that? Thank you for your help and I look forward to hearing from you.

A=P(1+r/n)^nt
Click here to see answer by Earlsdon(6287)

Question 16666: Hi, could you please tell me if I got this answer right? Thanks, here's the equation: (x^2 + 4x +5)(x^2 + x - 2), x=-3.
I didn't know how to do exponets on the computer so the ^ sign is for the exponets.
This is what I got and need to know if its right: 224
Thank you sOOo much!!!
Click here to see answer by Earlsdon(6287)

Question 16902: 3.5^n=1. I am suppost to find what n = but i cant.HEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLLP!!!!!!
Click here to see answer by Earlsdon(6287)

Question 17473: i am in grade 10 and having some difficulty simplifying certain expressions! here is one of the equations that i am asked to simplify.please explain step by step (thanx for your help in advance GJ!!.( I AM ASKED ONLY TO SIMPLIFY NOT TO SOLVE) I HOPE I HAVE TYPED THE EQUATION PROPERLY.

4x^2y^3
Click here to see answer by mmm4444bot(95)

Question 17483: I NEED HELP
+10 + - 10 =0
Click here to see answer by tjnw79(57)

Question 17970: solve: 2x-5=4-3x
Click here to see answer by venugopalramana(3286)

Question 18130: The sum of two integers is 25. The difference of their squares is 275. Find the two integers.
Click here to see answer by venugopalramana(3286)

Question 18307: (y^3y^-2)/(y^-5y)

^^whats the answer? I tried doing it a million times :/

Click here to see answer by whisper(27)

Question 18363: Hi,
Can anyone explain the mathematical rule behind this derivation:
x^2 is proportional to Y^3
so
x is proportional to Y^3/2.
In the above rule the exponent 2 is being moved from one side of the derivation to the other and becomes 3/2.How?
Click here to see answer by Earlsdon(6287)

Question 18691: -0.3054 * 10 to the power of 1 = ?
Click here to see answer by venugopalramana(3286)

Question 19281: How would I write this using positive exponents?
a^-2bc^-5/a^5bc^-4
I know that if you have a negative exponent, in order to make it positive you write it as a fraction. Example a^-n =1/a^n
I have come up with the following answer, but don't think it is correct. Please help!Thank you!
1b11/a^2a^5bc^5c^4
b/a^10bc^20

Click here to see answer by mmm4444bot(95)

Question 19774: we are stuck trying to solve this type of problem:
i don't understand how to simplify this expression:
10y to the seventh power over 6y squared

Click here to see answer by wuwei96815(245)

Question 19772: we are stuck trying to solve this type of problem:
4a to the third power over 20a to the sixth power
we need help dividing exponents
Click here to see answer by wuwei96815(245)

Question 20006: Im having a hard time figuring out the answer to this well how they got it.5 to the negative 1 plus 3 to the negative 1 power the answer is 8/15 I dont see that as beening right. I took the problem and made it a fraction to each side and still I dont see how the answer came about
Click here to see answer by elima(1433)

Question 20180: Ok we are doing a thing on mononials and i am so not geting it. like how do you do a/awith an exponent of 4???/or 12m/15m ???????? 6r/15rs i don't get any of this please help!!!!!!!
Click here to see answer by mmm4444bot(95)

Question 20572: Why does anything to the power of zero equal 1?
Click here to see answer by pwac(253)

Question 18884: simplify this expression. Assume all variables are positive. (thank you !!)
{y^(1/6)}^3
Click here to see answer by rahman(247)

Question 20800: Someone please help, I've been racking my brain for the last couple of hours and now I have a headache. thank you~
Find the product of the cube of (-2/3) and square of (4/-5).
Click here to see answer by kapilsinghi(68)

Question 17696: what is (-5y3)(-4y8)
Click here to see answer by SuperGirl98734(12)

Question 19531: Mary expressed 3,200 in scintific notation as 0.32 x 10 exponent4. Explain why her dad told her it was incorrect?

Click here to see answer by SuperGirl98734(12)

Question 21363: Last question please help me solve:
3y4
___
6y-4 = simplify the experssion...

the fours are exponets... thank you
Click here to see answer by elima(1433)

Question 21361: I need help with this problem:
1
__ = 3n,n= Complete this equation
81
Click here to see answer by Earlsdon(6287)

Question 21507: I need help solving (2^x^2 / 2^x) = 64. I need to solve for x. THanks
Click here to see answer by Earlsdon(6287)

Question 19756: Greta has a vegetable garden. She sells her extra produce at the local farmer's market. One Saturday she sold $200 worth of vegetables - peppers, squash, tomatoes and corn.
Greta received the same amount of money for the peppers as the squash.

The tomatoes brought in twice as much as the peppers and squash together.
The money she made from corn was $8 more that she made from the other three combined. How much did Greta receive for each vegetable?

Click here to see answer by 877112(1)

Question 22647: Solve the Equation.
1 over 5 times x equals negative 2
Click here to see answer by Longtolive(6)

Question 23048: what is x2 x2?
Click here to see answer by NaiXLG(18)

Question 23051: Does (2a)^2 (or 2a*2a) = 4a^2?
Thanks!
Click here to see answer by Earlsdon(6287)

Question 23115: how do the exponents work when operating binomials and why?
Click here to see answer by AnlytcPhil(1278)

Question 23156: Please help !! simplify : top equation divided by bottom equation
(x^-3)^-1(2x^-3)^2
____________________
(x^4 y^-2)^-2
Click here to see answer by stanbon(57410)

Question 22544:
In a pattern the number of colored tiles used in row x is 3 with an exponent of x. How many tiles are used in rows 4, 5, and 6 of the pattern?
Click here to see answer by Earlsdon(6287)

Question 18962: v^(-3) c^(-4)[v^4c^(-2)]^3
all the letter have negative exponents("v" negative exponent 3 "c"negative exponent4...) I dont know if I have to multiply the parentesis times exponent 3 or the parenthesis times the outside letters and then the exponent 3. help!
Click here to see answer by stanbon(57410)

Question 21989: I am trying to figure out how to rewrite a fraction using prime bases raised to powers.
Problem #1 1/36 How do I do this. The book doesn't have an explantion.
Thanks
Click here to see answer by rapaljer(4667)

Question 23243: what does this mean?? simplify -1^8 and (-1)^8
Click here to see answer by rapaljer(4667)

Question 23427: Please solve some like these so i will know how to do them for my quiz, thank you:
(-2m^4n^6)^2
(-ab)(a^2b)^2
5^3*(5a^4)^2
4^-2
11*11^-1
5^4/5^1
36a^8b2/ab*(6/ab^2)^-1
thank you again
Click here to see answer by stanbon(57410)

Question 23471: how would i solve this problem plese explain?

Click here to see answer by Earlsdon(6287)

Question 23645: how do you find the sum of the exponets?

Click here to see answer by rapaljer(4667)

Question 23705: Please help me solve these equations: Simplify: (2X 2 yz 2)(X 2 y 2 z 2) 3=
the numbers that are one space away are exponents.
2. (f/3) 3
3. (3/5) -2
Click here to see answer by rapaljer(4667)

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