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

Tutors Answer Your Questions about Exponents (FREE)

Question 32175: Simplify (w^5y^4)^3
Click here to see answer by mukhopadhyay(490)

Question 32175: Simplify (w^5y^4)^3
Click here to see answer by Prithwis(166)

Question 32234: What is the answer to the problem
$12,000 principal earnning 4.8% compound annually, after 7 years
Click here to see answer by checkley71(8403)

Question 32253: need to solve for an "X" exponent: 2 (x power) = 1/4
I know the answer but dont know how to show it by solving it algebracially
Click here to see answer by ikdeep(226)

Question 32176: please solve this for me: xy2(squared)+xyz-z2(square)
x=36, y=1/6 and z=9
Click here to see answer by ikdeep(226)

Question 32433: How are you tutors doing? Thanks again for this wonderful site.
Please explain how to solve this exponents question and similar questions:
If 2^x - 2^(x-2) = 3(2^13), what is the value of x?
Please note that 2^x means 2 raised to the power x and 2^(x-2) means 2 raised to the power (x-2)

Thanks for your time
Tolly
Click here to see answer by mukhopadhyay(490)

Question 32432: How are you tutors doing? Thanks again for this wonderful site.
Please explain how to solve this exponents question and similar questions:
If 2^x - 2^(x-2) = 3(2^13), what is the value of x?
Please note that 2^x means 2 raised to the power x and 2^(x-2) means 2 raised to the power (x-2)

Thanks for your time
Tolly
Click here to see answer by mukhopadhyay(490)

Question 32437: Dear tutors,
Please explain how to solve these kind of functions.
For which of the following functions f is f(x) = f(1-x) for all x.
a. f(x) = 1-x
b. f(x) = 1-x^2 (x squared)
c. f(x) = x^2 – (1-x)^2
d. f(x) = x^2(1-x)^2
e. f(x) = x/( 1-x)

by the way, this question is from a paper test i bought online.
Regards,
Tolly
Click here to see answer by venugopalramana(3286)

Question 32436: Dear tutors,
Please explain how to solve these kind of functions.
For which of the following functions f is f(x) = f(1-x) for all x.
a. f(x) = 1-x
b. f(x) = 1-x^2 (x squared)
c. f(x) = x^2 – (1-x)^2
d. f(x) = x^2(1-x)^2
e. f(x) = x/( 1-x)

by the way, this question is from a paper test i bought online.
Regards,
Tolly
Click here to see answer by mukhopadhyay(490)

Question 30687: y=4x+8
Click here to see answer by checkley71(8403)

Question 28196: WHAT IS Y3 POWER-1 OVER Y-1? I GOT Y2 POWER +Y+1. IS THAT RIGHT?
Click here to see answer by mukhopadhyay(490)

Question 28196: WHAT IS Y3 POWER-1 OVER Y-1? I GOT Y2 POWER +Y+1. IS THAT RIGHT?
Click here to see answer by Prithwis(166)

Question 32576: example:
how would you solve this:
7740.70(1+(r/365))^365=7770.84
I can't figure out what to do with the exponent?
Click here to see answer by mukhopadhyay(490)

Question 32589: my brother actually needed help on this one, I forgot all of my Algebra I work. the problem was x^3 and the choices were a) x=2 b) x=5 and c) x=-3
I dont get it at all to explain it to him! help! thanks sooo much!
-Emily
Click here to see answer by mukhopadhyay(490)

Question 32665: for x=1, y=-2
3x^2y-4xy^2+xy

Click here to see answer by mukhopadhyay(490)

Question 32858: 64x3 +27
Click here to see answer by mukhopadhyay(490)

Question 32858: 64x3 +27
Click here to see answer by Prithwis(166)

Question 32964: Please help me with this problem.
Factor Completley.
6w^6-40w^5+50w^4
this is the answer I came up with please let me know if it is correct
2w^4(3w^2-20w^5+25)
Thank you
Click here to see answer by sarah_adam(201)

Question 32985: 1) I need help in solving the following equations.
a)sqrt x-2=1

b)sqrt x^3=27

c)cube to the sqrt x^2=9

Click here to see answer by sarah_adam(201)

Question 33063: How do you solve equations with the following type of exponents?
2^2n-1=8^n+7
Thanks for your help.
Click here to see answer by sarah_adam(201)

Question 33068: I don't understand how to figure out least common multiples when there are exponents involved?
ex. 4c^3, c^2, and 3c^4
OK, so it's 4*c*c*c, c*c, and 3*c*c*c*c.....
so, 4*3*c*c*c*c
The answer is 12c^4, but WHY do we use the greatest exponent....c^3 doesn't go into c^4.....??????
Rebecca
Click here to see answer by longjonsilver(2297)

Question 32179: Find the smallest positive integer n such that 2n is a perfect square, 3n is a perfect cube, and 5n is a perfect fifth power.
Click here to see answer by mszlmb(115)

Question 32179: Find the smallest positive integer n such that 2n is a perfect square, 3n is a perfect cube, and 5n is a perfect fifth power.
Click here to see answer by Prithwis(166)

Question 32179: Find the smallest positive integer n such that 2n is a perfect square, 3n is a perfect cube, and 5n is a perfect fifth power.
Click here to see answer by lyra(94)

Question 33721: Solve the equation
1. 3x + 1/3 = 2x + ¾
2. 4y – 12 = -2y
3. 1/2x – 1/3 = 3/4x
4. 2(x - 1) + 4 = 3(7 – x)
Click here to see answer by mukhopadhyay(490)

Question 33759: How do you solve for x in this equation?
A=B^x, when A and B are constants.
Click here to see answer by kietra(57)

Question 33752: find dy/dx
e^xy-ex^3 = 4y^2
Click here to see answer by venugopalramana(3286)

Question 33903: Express with positive exponenets and simplify: (4x^-2y^4)-3/2 Could someone show me the steps in doing this problem. Thank you.
Click here to see answer by sarah_adam(201)

Question 33907: Express the complex number in the form a+bi: 5-2i/4-3i. How do I do this problem.
Click here to see answer by sarah_adam(201)

Question 33934: (3/32)n=25
Click here to see answer by stanbon(57407)

Question 33934: (3/32)n=25
Click here to see answer by Prithwis(166)

Question 33919: hi need help w/the following
simplify the following expression
x^-1 - y^-1 /x^-1 + y^-1
Click here to see answer by fanism(39)

Question 33988: log1(x+1)=log4(x-3)
Click here to see answer by dimndskier(8)

Question 33988: log1(x+1)=log4(x-3)
Click here to see answer by Prithwis(166)

Question 33935: 3/4 n=16
2/5 n=30
-7/15 =21/10
n.5/16=15/14
Click here to see answer by xcentaur(357)

Question 33935: 3/4 n=16
2/5 n=30
-7/15 =21/10
n.5/16=15/14
Click here to see answer by Prithwis(166)

Question 34453: Would like if someone would check my work and see if it is right. thanks
(-5t^3)4= 625y^12
Click here to see answer by longjonsilver(2297)

Question 34463: x+1=3
Click here to see answer by Prithwis(166)

Question 31296: what is 2 to the power of 0
Click here to see answer by Prithwis(166)

Question 31307: I need to know if i did this right..if i didnt show me how.
(4a^2)(-6ab)(2a)= a^4b
Click here to see answer by Prithwis(166)

Question 34466: x=3-4
Click here to see answer by Prithwis(166)

Question 34746: For what values of x is the following expression undefined:
(3x- 2)(5x- 4
_____________
(9x- 6)(7x - 1)
Click here to see answer by mukhopadhyay(490)

Question 34745: How would you apply a factoring formula to completely factor the expression "x4 - 1"?
Click here to see answer by Earlsdon(6287)

Question 34743: Using one of the laws of exponents, prove that any number raised to the 0'th power equals 1.
Click here to see answer by venugopalramana(3286)

Question 34744: Using FOIL, simplify the expression "(3x + 2)(3x - 2)". Show that a particular factoring formula leads to the same answer.
Click here to see answer by QueenVoda(11)

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