Questions on Algebra: Negative and Fractional exponents answered by real tutors!

Tutors Answer Your Questions about Exponents-negative-and-fractional (FREE)

Question 1084664: expand -2(x-3y+5)
Click here to see answer by Cromlix(4381)

Question 1084699: How do I simply or solve this radical exponent
6/(2-3√2)
Click here to see answer by math_helper(2461)

Question 1084843: Please explain the answer to the following questions.
(-3)^4 = 81.
-3^4 = -81.
Please explain why answer is negative and one question is positive. Thank you.
Click here to see answer by MathLover1(20850)

Question 1086949: Jeffrey makes $26 babysitting each week. If you track the total amount of money he has earned over time, what kind of sequence will you see?
Arithmetic, geometric, both Or neither

Click here to see answer by jim_thompson5910(35256)

Question 1086960: With each hour that passes, there are 3 times as many people waiting in line for the roller coaster as there were the hour before. If you list the number of people in line each hour, what kind of sequence will you see?
Arithmetic, geometric, both Or neither
Click here to see answer by Alan3354(69443)

Question 1087086: what is (-6) - (-19)?
Click here to see answer by rothauserc(4718)

Question 1087462: Help please:
Given the following two linear equation determine whether the lines are parallel, perpendicular or neither Show all work.
5x+4y=40
8x=15+10y

Click here to see answer by Alan3354(69443)

Question 1088307: Solve the equation by the method of factoring
5x^2+22x+8=0

Click here to see answer by Fombitz(32388)

Question 1088307: Solve the equation by the method of factoring
5x^2+22x+8=0

Click here to see answer by natolino_2017(77)

Question 1088677: A certain radioactive element will decay at certain rate. If 50.0% of the original element sample
remains after 9.0 days, what is the decay rate?
Click here to see answer by josgarithmetic(39623)

Question 1090910: what equals negative 12
Click here to see answer by Alan3354(69443)

Question 1091542: (X^4�y^2)^-1/2
--------------------
(X^6�y^3)^-1/3
The dash line is actually a division line
Click here to see answer by MathLover1(20850)

Question 1091537: (-64x^3/y^-6)^2/3
Click here to see answer by Boreal(15235)

Question 1091537: (-64x^3/y^-6)^2/3
Click here to see answer by MathLover1(20850)

Question 1091560:
Click here to see answer by ikleyn(52835)

Question 1091536: (-27x^18/y^-36)^2/3
Click here to see answer by MathLover1(20850)

Question 1091536: (-27x^18/y^-36)^2/3
Click here to see answer by MathTherapy(10555)

Question 1092872: 14 less 3/4 of a number is negative 8
Click here to see answer by Fombitz(32388)

Question 1093072:
-2^-4 power.
when there is a negative base and there is a negative exponent, do we follow the usual rule of 1/x^y or is it different?

Click here to see answer by Theo(13342)

Question 1093332: what is another way to write 6.38 times 10 to the 2 power
Click here to see answer by Alan3354(69443)

Question 1094858: Simplify 0.0016 to the power of 3/3

Click here to see answer by ikleyn(52835)

Question 1094860: Simplify 512 to the power of negative 5/3

Click here to see answer by basharat18(4)

Question 1094860: Simplify 512 to the power of negative 5/3

Click here to see answer by ikleyn(52835)

Question 1095935: what is NOT equivalent to 2^-3?
Click here to see answer by josgarithmetic(39623)

Question 1095934: what is NOT equivalent to 2-32-3?
Click here to see answer by josgarithmetic(39623)

Question 1096689: If 7^3x-2 = 6, what is the value of 7^1-3x?
Click here to see answer by MathTherapy(10555)

Question 1097608: use these to obtain 100 :
-30/2X8/5X4
Click here to see answer by Alan3354(69443)

Question 1097607: use these to obtain 100 :
30/2X8/5X4
Click here to see answer by Boreal(15235)

Question 1099365: How would you turn the points -2,-1 and 2,-1 into y=mx+b
Click here to see answer by Boreal(15235)

Question 1104176: If 4^x+2(2^x)=80 what is the value of x?
Click here to see answer by ikleyn(52835)

Question 1106250: x^-7
Click here to see answer by Alan3354(69443)

Question 1107282: what is 4 by the power of -3

Click here to see answer by Fombitz(32388)

Question 1107712: Factor the algebraic expression.
x^5/7 - x^1/7
Click here to see answer by Edwin McCravy(20060)

Question 1107712: Factor the algebraic expression.
x^5/7 - x^1/7
Click here to see answer by Alan3354(69443)

Question 1112493: Simplify
Click here to see answer by math_helper(2461)

Question 1112558: Given , find k and L
Click here to see answer by josgarithmetic(39623)

Question 1112559: If express the following in terms of k and a constant.
i)
ii)

Please explain, I don't really understand.
Click here to see answer by josgarithmetic(39623)

Question 1117139: Please help me solve this equation: M -(-7/10) = - 1 1/5
Click here to see answer by josgarithmetic(39623)

Question 1118136: How could the definite integral be used to determine profit over a given period?

Click here to see answer by addingup(3677)

Question 1118533: what is 7 to the power of -9
Click here to see answer by Alan3354(69443)

Question 1119493:
Click here to see answer by Shin123(626)

Question 1119634:

What is the value of in terms of ?
Click here to see answer by josgarithmetic(39623)

Question 1120204: Find the GCF for the list.
50a7b2c2, 20a8b
Click here to see answer by ikleyn(52835)

Question 1120379: What is negative 2 to the 4th power(-2^4)?
Click here to see answer by josgarithmetic(39623)

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