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

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Algebra: Exponents and operations on exponents

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Question 66914: please help
2x^(-2)(-4x^(-6))
Click here to see answer by McDanielMathWiz(1)

Question 66913: please help
-6x^6(-3x^3)^2
______________
9x^3
Click here to see answer by checkley71(8405)

Question 66912: please help
4x^2(3x)^3
Click here to see answer by checkley71(8405)

Question 66911: please help
6x^5(4x^2)

4x^2(3x)^3
Click here to see answer by checkley71(8405)

Question 67088: 19-3n=-2n

Click here to see answer by Petredish1(5)

Question 67264: eponents with fractions do they get added to when variable is multiplied?
Click here to see answer by Earlsdon(4900)

Question 67262: (1+r)^3=1.560896
Solve for r.
Click here to see answer by Earlsdon(4900)

Question 67709: How do you divide and multiply factions? 7/8 x 2/3 ÷ 2/9
Click here to see answer by prabhjyot(164)

Question 67736: How can I slove the equation 3x2-8=100
Click here to see answer by Earlsdon(4900)

Question 67735: How can I slove the question 3x2-8=100
Click here to see answer by Zoop(21)

Question 68100: Divide a^3 b^4 c^6 by a^4 b^2, then divide that by a^2 b^3 d The posted answer is c divided by a^3 b d. How was that obtained. Can you "spell" out the thinking and process that led to that answer?
Click here to see answer by funmath(2873)

Question 68093: wut is 2 to the 100 power?
Click here to see answer by funmath(2873)

Question 68457: {[7(x-2) + 4] - [2(x-5)+6}]
Click here to see answer by tutorcecilia(2042)

Question 68560: 81x^4-16y^4
(p+8q)^2-10(p+8q)+25
Click here to see answer by funmath(2873)

Question 68560: 81x^4-16y^4
(p+8q)^2-10(p+8q)+25
Click here to see answer by stanbon(26274)

Question 68669: Please show me how to slove problems
(5,-2), m=3
(5,4), m=-5
(-3,-1),m= -2/3
Click here to see answer by checkley71(8405)

Question 69056: I am trying to help my son with an exponent question with an unknown exponent. Here is the sample question. (unfortunately it was not taken from a text book)
Please Help me solve this equation: 4n^x=4/n^2
I am trying to solve for x.
Click here to see answer by josmiceli(3008)

Question 69006: Please help me solve this exponent:.
-thankyou for your help, Breanna
Click here to see answer by jim_thompson5910(13794)

Question 69022: How do you simplify a cube of x to the fifth power
Click here to see answer by bucky(1732)

Question 69309: (-2x)3(-x2)
I tried to work this and came up with-2x times-2x times -2x times -x2=-8x5
Is that right??
Abby
Click here to see answer by josephballard14(3)

Question 69308: I have tried to work this problem.
(-2x) 3rd power times (-x squared)
I got -2x times -2x times -2x times x squared=-8x fifth power
Is that correct?
Click here to see answer by ptaylor(1578)

Question 69249: 8x^12/9x^6
Click here to see answer by jim_thompson5910(13794)

Question 69374: Simplify
(2x^-6y^-4z^0/3^-2x^-2y^-8z^5)^3
Click here to see answer by stanbon(26274)

Question 69501: ok... I have tried many times to work the following problem correctly: {m^(x^3-3X)(2X)^3{m^(x^2+4)(6x^4)}
please note the carrot symbol indicates an exponent.
also, right after the FIRST m , there is a carrot. This is there to let you know the things in parentheses are above the "M"
Thanks. Any help would be appreciated!!
Click here to see answer by stanbon(26274)

Question 69710:
how do you figure out 23 to the 502 power and 27 to the 622 ?
Click here to see answer by stanbon(26274)

Question 70043: which of the following is the largest? 0.03^36, 0.0008^18, (1/200)^24
Is there any easy method to find this problem? Help please.
Click here to see answer by stanbon(26274)

Question 67609: Problem is:
x - x^2/3 = x^1/3 (??) Fill in the ??. The object is to find the equation that when multiplied by x^1/3 would give the result of x - x^2/3.
I know this has to be something simple, but my brain is fried.
Click here to see answer by stanbon(26274)

Question 70198This question is from textbook
: You have 5 pumpkins, when weighted two at a time these are the weights, 110 112 113 114 115 116 117 118 120 121 pounds. How much does each pumpkin weigh? How do you figure it out? What kind of formaula? I've tried formalas but I couldn't figure out the right one, graphing, and tables. I came up with them weighing, 60 61 57 53 and 55 pounds.This question is from textbook

Click here to see answer by 303795(562)

Question 70449: How do you simplify 3.6 x 10^6/9 x 10^-3 then write it in scientific notation?
Click here to see answer by bucky(1732)

Question 70473: x=-2 and x=0
-3x^3+7x^2-3x-2

Click here to see answer by checkley75(3666)

Question 70562: I am having a difficult time simplifying this problem:
(15625a^2/15b^-1/3)^5/6
The instructions say to Simplify. Present all answers with positive exponents. Assume that all variables represent positive numbers.
We have recently learned about radicals, but I am not sure if that has anything to do with this or not.
I started out doing the following:
(6th root of 15625a^2/15b^-1/3)^5
Click here to see answer by stanbon(26274)

Question 70659: What is the exponent law of multiplication?
Click here to see answer by funmath(2873)

Question 70778: Find all real numbers solutions for x and y (x and y can be negative).
2^2x - 3^2y = 15
Click here to see answer by stanbon(26274)

Question 70916This question is from textbook
: Write each number in scientific notation.
0.00092This question is from textbook

Click here to see answer by bucky(1732)

Question 70917This question is from textbook
: Order the numbers in each list from least to greatest.
5.01*10^-3, 4.8*10^-1, 0.52*10^-3, 56*10^-2This question is from textbook

Click here to see answer by bucky(1732)

Question 70909This question is from textbook
: Light travels through space at a constant speed of about 3*10^5 km/s. Sunlight reflecting from the moon takes about 1.28*10^0s to reach Earth. Find the distance from the moon to the Earth.This question is from textbook

Click here to see answer by bucky(1732)

Question 70915This question is from textbook
: Write each number in scientific notation.
0.00325This question is from textbook

Click here to see answer by mathman409(67)

Question 70918This question is from textbook
: Measuring instruments may have different degrees of precision. Instrument A is precise to 10^-2 cm, instrument B is percise to 5*10^-2 cm, and instrument C is percise to 8*10^-3 cm. Order the instruments from most precise (least possible error) to least precise (greatest possible error).This question is from textbook

Click here to see answer by mathman409(67)

Question 71018: (3x -sqrt5/3x +sqrt5)
Click here to see answer by stanbon(26274)

Question 71162: -(7)º
Click here to see answer by jim_thompson5910(13794)

Question 71374: I need extra help with finding Ax+By=C and how to find equations of a slope.
Click here to see answer by checkley75(3666)

Question 71368: Can help me solve this problem...instructions...what expression raised to the fourth power is 81x^12y^8z^16?
Click here to see answer by bucky(1732)

Question 71521This question is from textbook Pre-Algebra Workbook
: How do you simplify the expression (2x^2y/xy^3)^5 ?This question is from textbook Pre-Algebra Workbook

Click here to see answer by checkley75(3666)

Question 71974: what is the answer to (x cubed) w/ 5 as the outside exponent
Click here to see answer by bucky(1732)

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