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

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

Question 275787: y-2=-2/5(x-8)
Click here to see answer by nyc_function(2741)

Question 270941: Would you please help me find what one-third to the power of negative one is?
Click here to see answer by Alan3354(69443)

Question 276529: Simplify the following fraction. If it is already simplified, say so.
a2 - 2ab + b2 a2 = a squared b2 = b squared
-------------
a + b
Click here to see answer by stanbon(75887)

Question 277258: Please help me solve this question: (3a^2)(4a^6)
Click here to see answer by jim_thompson5910(35256)

Question 277842: hi i need help with this problem y=16000(1-0.9%)to the 5th power
Click here to see answer by stanbon(75887)

Question 278697: 4xsquare + 11x = 20
Click here to see answer by stanbon(75887)

Question 278697: 4xsquare + 11x = 20
Click here to see answer by unlockmath(1688)

Question 278769: I just can't seem to figure this out and need help fast!
(5a^4b^5c^2/3a^2bc^4)^3

Click here to see answer by vleith(2983)

Question 278932: how do i solve this step by step?
(2xto fifth/xsquared)to fourth
Click here to see answer by checkley77(12844)

Question 279095: X^3(y^2)5
---------
y8
Click here to see answer by stanbon(75887)

Question 279091: (-2x^0y-4)^-2
Click here to see answer by stanbon(75887)

Question 279578: Please help me solve this equation: X^5/X^2
Click here to see answer by anantha(86)

Question 279640: When working with exponents, is there any difference in operation if the exponents are whole numbers or fractions? In what sense do exponents and radicals behave exactly the same way?
Click here to see answer by Theo(13342)

Question 279695: Can someone please tell me if I'm doing something wrong.
(x^-4+6x^-8)/1-36x^-8
I keep coming up with 6x^8/x^12-36x^12
Click here to see answer by Alan3354(69443)

Question 279695: Can someone please tell me if I'm doing something wrong.
(x^-4+6x^-8)/1-36x^-8
I keep coming up with 6x^8/x^12-36x^12
Click here to see answer by mananth(16946)

Question 280134: (49/9)^-3/2
pleeease help me understand this problem! :)
Click here to see answer by richwmiller(17219)

Question 280146: What is a^ negative 3 over 3b to the 4th power?
Click here to see answer by checkley77(12844)

Question 280613: 1/3 x -3/4
Click here to see answer by richwmiller(17219)

Question 280758: How do you solve the equation w^-2+3w^-1-28=0?
Click here to see answer by richwmiller(17219)

Question 281014: (-2y tothe 6th) z=4y to the 12th
Click here to see answer by stanbon(75887)

Question 282212: does negative x squared result in a positive, and does negative x to the third result in a negative?
Click here to see answer by Mathematicians(84)

Question 282212: does negative x squared result in a positive, and does negative x to the third result in a negative?
Click here to see answer by dabanfield(803)

Question 282471: Can the answer to 25^(1/2) be 5 and -5?
Click here to see answer by Alan3354(69443)

Question 282522: (x+8)(x-3), x=0
Click here to see answer by JBarnum(2146)

Question 282712: is the answer to (2x^3)^-3 1/8 * 1/x^6?

Click here to see answer by richwmiller(17219)

Question 282714: how do you solve [(-3x^-3y)^3]^4
Click here to see answer by unlockmath(1688)

Question 282708: Okay, so i am doing exponential functions. i do not get how to do it. how would i do this problem g(t)=2*3 to the power of -2
Click here to see answer by richwmiller(17219)

Question 283102: (3a^2)1/2*(3^2a)3/2=
Click here to see answer by checkley77(12844)

Question 283241: I saw a problem worked like this:
cubert(8^2) = 8^(2/3) = (8^2)^(1/3) or (8^1/3)^2
How do they work each step of this answer?

Click here to see answer by richwmiller(17219)

Question 283827: 6^-2x^-7 / 2(x^9)^-2
Click here to see answer by palanisamy(496)

Question 283828: 6^-1 / 6^-1 +1
Click here to see answer by dabanfield(803)

Question 284364: what is the answer to 11^4/11^2? show steps.
Click here to see answer by richwmiller(17219)

Question 285416: Help me solve this problem:
(9^3/5)^2/3
Click here to see answer by richwmiller(17219)

Question 286389: Please answer the following story problem. The speed of a boar in still water is 20 mph. If the boar travels 140 miles downstream in the same time that it takes to travel 92 miles upstream, find the speed of the current.
I have the rates s/b downstream 20+x and upstream 20-x But that is the extent right now.
Click here to see answer by dabanfield(803)

Question 286387: My problem is this:
What is the answer to the following fraction that has X to the negative 2 over x to the negative 1 minus x to the negative 2
Click here to see answer by richwmiller(17219)

Question 286583: I was wondering if I could get a step by step example of (1/4)^-3/2 = non-negative number. The awnser that comes with the problem is 8, but no matter how I manipulate this I can not get to that answer. Thank you!
Click here to see answer by scott8148(6628)

Question 287004: 2 to the negative 3rd

Click here to see answer by richwmiller(17219)

Question 287027: the value of (3^0/27^2/3)^-1 is
I got nine but I'm not sure if its correct.
Thank You
Click here to see answer by richwmiller(17219)

Question 288008: solve by the substitution method 4x-2y=-30 8x+81=y
Click here to see answer by stanbon(75887)

Question 288471: I'm hoping someone can help me finish this problem.

I've gotten to this point but I don't know where to go from there. Any help would be really appreciated!
Click here to see answer by Alan3354(69443)

Question 289435: can anyone show me how to simplify this problem without negative exponents?
Click here to see answer by Deina(147)

Question 289655: Could you please tell me how to simplify: 7^x-3/7^3x-1.
Click here to see answer by jim_thompson5910(35256)

Question 289655: Could you please tell me how to simplify: 7^x-3/7^3x-1.
Click here to see answer by richwmiller(17219)

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