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

Tutors Answer Your Questions about Exponents (FREE)

Question 186906:
Please Help if you can, and please show your work.
Thank You
Click here to see answer by josmiceli(9681)

Question 187053: How do I simplify
Click here to see answer by stanbon(57361)

Question 187053: How do I simplify
Click here to see answer by jim_thompson5910(28595)

Question 187154: please multiply and simplify this problem.

(3a^2b)(2a^3b^2)(-ab^4)

thank you
Click here to see answer by jim_thompson5910(28595)

Question 187307: I was given this problem and told to solve without negative exponents, I am really not sure how to tackle this problem.
[x*y^5/x^-4*y^2]^-2
Click here to see answer by josmiceli(9681)

Question 187560: I was instructed to "multiply as required and collect terms" I am really not sure what it means to collect terms.
(x–4)*(2x^2+4)+(x+4)*(x^3–1)–(x^2–x–1)
Click here to see answer by vleith(2825)

Question 187570: This is the problem that I was given and th only way I know how to solve would be trial and error.
Find a value for k that will make 4x^2 + 6.4x + k a perfect square. Describe the procedure that you used which requires algebra [that is, not trial and error].
Click here to see answer by ankor@dixie-net.com(15656)

Question 188024: Please help me with this problem. Evaluate (-6y) to the second power and -6y to the second power when y=2. I would really appreciate some help.
Thank you,
Click here to see answer by Alan3354(30993)

Question 188129: y-2=-4
What is y?
Click here to see answer by jim_thompson5910(28595)

Question 167164: Factorise completely 16x^4 – 40x^2 + 9
Click here to see answer by J2R2R(94)

Question 188425:
Click here to see answer by Mathtut(3670)

Question 188509: Whats the evaluate, for 3a,a=-3 and 5s,s = -4 and x+4, x=-2 and also 3t+4,t=-5
and can you explain how you got it ? please and thank you =D

Click here to see answer by Mathtut(3670)

Question 188674: can you please help me solve this problem??

In a particular small town, the population in 1995 was 1200. Ever since then the population has grown by 4% every year. If conditions stay the same, what is the approximate expected population in the year 2000?
Click here to see answer by ankor@dixie-net.com(15656)

Question 188962: 18x(2)+48xy+32y(2)

Click here to see answer by stanbon(57361)

Question 189053:
I'm not sure how to solve this, please help if you can.
Thank you
Click here to see answer by stanbon(57361)

Question 189304: Exponentes topic for Fifth Grade: When you are finding variables to exponentes, like: 3^x = 27, is there any othe way to find the value of x, other than just multipling 3x3x3 = 27, so x = 3.
Click here to see answer by Alan3354(30993)

Question 190020: Simplify
x^2-x-6/x^2-2x-3=
Click here to see answer by orca(409)

Question 190125: hey what will be the solution for following according to you all

and x.y.z = 1
then what will be value of p+q+r ?
Click here to see answer by orca(409)

Question 184564: Can you please demonstrate how to find that the square root of 41 is 6.4 units?
Click here to see answer by sabrinawayjack(8)

Question 190456: Hello,
I could not find anything on the site that resembled this problem, could use assistance.
t^(2)/(3)=4
Thanks for the help in advance.
Click here to see answer by Mathtut(3670)

Question 190683:
What is c to the 4th power plus c to the 2nd power. please help

Click here to see answer by Earlsdon(6287)

Question 191352: square root of x to the fourth multilpied by square root of x to the 5th
Click here to see answer by Mathtut(3670)

Question 191431: Solve .
(3a^2b)(-2ab^3)=
Click here to see answer by Alan3354(30993)

Question 191459: find the product
(3x^3y)(-4x^2 y^3)
Click here to see answer by orca(409)

Question 191691: solve equation
2x^2=50
Click here to see answer by orca(409)

Question 191692: solve equation
4x^2-4x=-1
Click here to see answer by orca(409)

Question 191696: reduce to lowest term without negative exponents
2(x-3)-3(x-4)
Click here to see answer by Alan3354(30993)

Question 191695: Reduce to lowest term without negative exponents
4/5(-3/10)(-1 2/3)
Click here to see answer by Alan3354(30993)

Question 191698: factor each expression completely
x+2/13=3
Click here to see answer by Alan3354(30993)

Question 192156: Assuming that none of the solutions are undefined, simplify each of the following:
12a^5/6a
Click here to see answer by Mathtut(3670)

Question 192472: I have a total of 60 problems. I am stuck on 5 of them, I know that I am close but my tutor says I am still off. Please help me solve the following problems.

(x^-2y^4)/(4y^-3)^2
Click here to see answer by Earlsdon(6287)

Question 192531: I sent this question along with 3 others yesterday and still haven't gotten a respond, please help me
Simplify; express answer with only positive exponents.
(a^-2/3b^1/2)(a^3/2b^2/3)

Click here to see answer by stanbon(57361)

Question 192533: Evaluate. √[25a^12b^8c^12]
Click here to see answer by Mathtut(3670)

Question 192587: Can someone help me with this problem. I think I can figure out the rest
Evaluate and simplify; express answer with only positive exponents.
(25a^8b^16)^-1/2
Click here to see answer by checkley77(12569)

Question 192586: Can someone help me with this problem. I think I can figure out the rest
Evaluate and simplify; express answer with only positive exponents.
(25a^8b^16)^-1/2
Click here to see answer by checkley77(12569)

Question 192731: I submitted this problem on yesterday and still have not gotten a respond. Can someone help me with it?
Factor out the common factor of 2x from:
16x^4/5 8x^3/4
Click here to see answer by ankor@dixie-net.com(15656)

Question 193045: The formula for calculating the amount of money returned for an initial deposit into a bank account or CD (certificate of deposit) is given by

A is the amount of the return.
P is the principal amount initially deposited.
r is the annual interest rate (expressed as a decimal).
n is the number of compound periods in one year.
t is the number of years.
Carry all calculations to six decimals on each intermediate step, then round the final answer to the nearest cent.
Suppose you deposit $3,000 for 9 years at a rate of 6%.
a) Calculate the return (A) if the bank compounds annually (n = 1). Round your answer to the hundredth's place.

Click here to see answer by Edwin McCravy(8909)

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(57361)

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(28595)

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(15656)

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