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

Tutors Answer Your Questions about Exponents (FREE)

Question 946567: (8.0 X 10^-4)(2.0 X 10^-3)
Click here to see answer by Alan3354(69443)

Question 946676: A number increased by 12 is 45 write an algebraic expression for the word sentence

Click here to see answer by stanbon(75887)

Question 947134: scientific notation 0.0042
Click here to see answer by MathLover1(20849)

Question 947408: `Pls help out:
Click here to see answer by Fombitz(32388)

Question 947406: `Pls help out:
Click here to see answer by stanbon(75887)

Question 947406: `Pls help out:
Click here to see answer by MathTherapy(10549)

Question 947409: `Pls help out:
Click here to see answer by MathLover1(20849)

Question 947405: `Pls help out:
Click here to see answer by josgarithmetic(39613)

Question 947405: `Pls help out:
Click here to see answer by MathTherapy(10549)

Question 947608: Pls help me with this
Click here to see answer by MathLover1(20849)

Question 947655: I'M TRYING TO UNDERSTAND HOW THE DERIVATIVE OF X^1/4 WAS OBTAINED. USEING
THE FORMAT: lim h--0 f(X+h) - f(X-h)/ X+h - X-h OR 2h
LIM h--0 1/2h [(X+h)^1/4 - (X-h)^1/4 ]
THE ANSWER BY USING THE POWER RULE IS 1/4X^3/4 BUT I CAN'T FIGURE OUT THE MATH TO PROVE IT.
CONFUSED AND IN SEARCH OF CLARITY
Click here to see answer by josgarithmetic(39613)

Question 948316: Calculate the value of x+y.
3^(2x) - 2^(2y) = 17, where x and y are Natural Numbers.
Click here to see answer by Fombitz(32388)

Question 948367: If 11e^5x=18, then x
Click here to see answer by Alan3354(69443)

Question 949272: simplify (-125)^2/3

Click here to see answer by Alan3354(69443)

Question 949350: aolvw for x:(1/125)^(4-2x)=5*25^(3x-1)
Click here to see answer by josgarithmetic(39613)

Question 949956: How do you rewrite the following using only positive exponents?
3a^2b^-2c^-3
Click here to see answer by Fombitz(32388)

Question 950321: Simplify the expression.

((x^4y^-2)/(x^-3y^5))^-1
Click here to see answer by Alan3354(69443)

Question 950323: Simplify the expression.

x^-3/y
Click here to see answer by Alan3354(69443)

Question 950322: Simplify the expression.

(m^3n^-5m^-1)^-3
Click here to see answer by Alan3354(69443)

Question 950324: Simplify the expression.

8^0y^5z^-7
Click here to see answer by Alan3354(69443)

Question 950345: Simplify the expression.

u^-5v^4(-u^3v^-2)^3
Click here to see answer by MathLover1(20849)

Question 950345: Simplify the expression.

u^-5v^4(-u^3v^-2)^3
Click here to see answer by MathTherapy(10549)

Question 950326: Evaluate the expression for x = -2. Make sure to show your work for full credit.

3x^-2
Click here to see answer by MathLover1(20849)

Question 950363: Suppose you are a math teacher and you have just taught a lesson on exponents. A student asks you to review some worked problems. Look over the problem and correct any mistakes. Explain the errors in the student's reasoning.

2x^2y * 3x^5y^2 = (2 * 3)(x^2*x^5)(y*y^2) = 6x^10y^2
Click here to see answer by MathLover1(20849)

Question 950373: Simplify the expression.

4^-3x^2z^-5
Click here to see answer by Fombitz(32388)

Question 950370:
Simplify the expression.

-(x^4y^3)^2(xy^2)^3

Click here to see answer by MathLover1(20849)

Question 950727: This has to do with evaluating rational exponents...
I am trying to figure out how -9 ^1/2 can = -3 ?
I though a negative and negative = a positive.
Could you explain please?
Thank you!
Click here to see answer by Fombitz(32388)

Question 951562: -(3x-4)squred+3(x-2)(1-2x)
Click here to see answer by MathLover1(20849)

Question 951593: What's the products of powers: b^m∙bⁿ
Click here to see answer by Edwin McCravy(20054)

Question 951682: Express the function
f(x) = logbase3(27^(3 x + 6) 81^(6 x + 8))

without logarithms.
Click here to see answer by MathLover1(20849)

Question 952006: simplify
(-3/x*y^2)^-3
Click here to see answer by stanbon(75887)

Question 952008: Find the slope of the line containing the given points
(x,3x+1) and (x+h,3(x+h)+1)
Click here to see answer by stanbon(75887)

Question 953060: What is 14 to the seventh power times 14 to the ninth power written as one power

Click here to see answer by MathLover1(20849)

Question 953243: how do i simply 1 over y to the 9th power times y to the 15th power

Click here to see answer by Alan3354(69443)

Question 953480: The room in the hotel was 180 meter squared. What is 25% of the room's area?
Click here to see answer by Fombitz(32388)

Question 953530: x^2-2x-8 SOLUTION
Click here to see answer by Alan3354(69443)

Question 953583: Please help me solve for n.

The correct answer given for this is n=0.
I totally have no idea on how to solve this and I don't think my workings are even close to the solution but here they are:

I didn't know what to do next after that line so I stopped there.
Click here to see answer by josgarithmetic(39613)

Question 953728: Problems I am stuck on
a. Simpilfy
b. Simplify the expression. Assume x denotes any real number

My program states "x" is not the answer. I think it has something to do with assuming x denotes any real number so that might change it.
c. Simplify
Please explain
Thank you
Click here to see answer by josgarithmetic(39613)

Question 953735: 5X to the fifth power divided by 5X to the third power
Click here to see answer by MathLover1(20849)

Question 953951: Unsure why these are incorrect
http://i.imgur.com/0xHiARD.png
Thank you
Click here to see answer by josgarithmetic(39613)

Question 953951: Unsure why these are incorrect
http://i.imgur.com/0xHiARD.png
Thank you
Click here to see answer by macston(5194)

Question 953965:
Answer is not 3x or 3(x) any ideas?
The question reads simplify the expression. Assume x denotes any real number.
Thank you
Click here to see answer by josgarithmetic(39613)

Question 954343: simlify (3∧4-3∧2)∧3. write your answer as powers of 2 and,or 3.
Click here to see answer by Fombitz(32388)

Question 954574: -40+9x=77 what is the value of x and how do I get it

Click here to see answer by EdenWolf(517)

Question 954575: -40+9x=77 what is the value of x and how do I get it

Click here to see answer by EdenWolf(517)

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