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

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

Question 145037: (3^2/9)^2/5
Click here to see answer by checkley77(12844)

Question 145039: 3/t+3-1/t=5/2t+6
solve for t
Click here to see answer by Jerseegrl(2)

Question 145364: X^30/X^-10
Click here to see answer by Alan3354(69443)

Question 145607: 7x^-8 * 6x^3
Click here to see answer by jim_thompson5910(35256)

Question 145611: Simplified (w/o negative exponent):
m^-1 * m^5
(-----------) ^-3
m^-2

Click here to see answer by stanbon(75887)

Question 145609: -4x^3 * 2y^-2 * 5y^5 * x^-8
Click here to see answer by checkley77(12844)

Question 145717: using the law of exponents simplify (x^2)^1/2
Click here to see answer by jim_thompson5910(35256)

Question 145793: 2(x^-5y^7)^-3
Click here to see answer by checkley77(12844)

Question 145869: 3x^-2
Click here to see answer by checkley77(12844)

Question 145872: WHAT IS THE PERIMETER OF A RECTANGLE IF THE LENGHT IS 7/10 IN. AND THE WIDTH IS 1/10IN.
Click here to see answer by jojo14344(1513)

Question 145871: (2x^3y^8)^4
Click here to see answer by checkley77(12844)

Question 145870: 13x^8y^7/28x^3y
Click here to see answer by checkley77(12844)

Question 145991: what is 3 to the negative 4 power?
Click here to see answer by nerdybill(7384)

Question 145990: what is 7 to the negative 3rd power??
Click here to see answer by nerdybill(7384)

Question 146155: { 36x^5y^-1 }^-1/2
_________
{ 91x^-3y^-5 }
After I simplify I get, [4/9]^-1/2 x^-4 y^-2
I don't know how to simplify the 4/9, any help I would greatly appreciate it.
Click here to see answer by vleith(2983)

Question 146798: X/4+5+x=15
Click here to see answer by jim_thompson5910(35256)

Question 146986: #1. xy(x-y)
#2. (4x+7)-(3x-5)
#3. 15-3y=2y+5
#4. 5/16y+3/8y=1/4y+2
Click here to see answer by jim_thompson5910(35256)

Question 147111: Simplify: (25)1/2(27)-1/3
note- the 1/2 and -1/3 are exponents
Click here to see answer by jim_thompson5910(35256)

Question 147280: please help me solve this equation if 4^n=20, then what is the value of 4^-n
Click here to see answer by jim_thompson5910(35256)

Question 147283: please help me solve this equation 5^4 x m =?
Click here to see answer by vleith(2983)

Question 147303: 5/2 x +1/4 x =9/4 +x. x=?
Click here to see answer by checkley77(12844)

Question 147424: Please answer this question. I do not know how to solve a problem to the -2/3 power. What is the answer to 27^(-2/3) (-2/3) being the exponent
Click here to see answer by nerdybill(7384)

Question 147284: please help me solve this equation 5^4 x m =?
Click here to see answer by Alan3354(69443)

Question 147858: how do you simplify an equation with a fraction exponent? like 16^3/2? (3/2 is the exponent :))
Click here to see answer by Alan3354(69443)

Question 147903: 5/4x+1/8x= 7/8+x
Click here to see answer by Fombitz(32388)

Question 147954: Please help me with this problem:
I did this but I was told is wrong
36^1/2/15^2 = 6/225 = 2/75
Click here to see answer by edjones(8007)

Question 148122: Simplify so that no negative exponents appear;
(3r^2)^2r^-5
______________(2r^-6)^2
r^-2r^3
Click here to see answer by checkley77(12844)

Question 148139: 41: 4(3+x)+10= -11(x-6)+1
43:3x+21=-2x+11
45:6x+4=2x
whenever i experiance any of these types of questions im not sure how to solve for x when there is an x on both sides of the equation. Given that the book that im using does not go over how to do these types of equations im at lost of how to do it, any help trying to solve these equations is greatly appreciated by me, thank you.
-Brian.
Click here to see answer by vleith(2983)

Question 148138: 41: 4(3+x)+10= -11(x-6)+1
43:3x+21=-2x+11
45:6x+4=2x
whenever i experiance any of these types of questions im not sure how to solve for x when there is an x on both sides of the equation. Given that the book that im using does not go over how to do these types of equations im at lost of how to do it, any help trying to solve these equations is greatly appreciated by me, thank you.
-Brian.
Click here to see answer by ankor@dixie-net.com(22740)

Question 148432: how are you? My first question is #10. ax/b + cx/d = e
and #11 a/bx + c/d=e; for both of them i need to solve for X. i dont know how to really disect this problem to solve for X, dont know each step for this complex fraction equation. Any help at all is greatly appreciated. thank you.
-Brian
Click here to see answer by Alan3354(69443)

Question 148489: (x+9/x^2-9)-(2/x-3)
It has been 4 years since I graduated highschool and I'm having trouble remembering how to do this.
Click here to see answer by mangopeeler07(462)

Question 148489: (x+9/x^2-9)-(2/x-3)
It has been 4 years since I graduated highschool and I'm having trouble remembering how to do this.
Click here to see answer by jim_thompson5910(35256)

Question 148490: Why is 3x^0 = 3 and (3x)^0 = 1.
Click here to see answer by jim_thompson5910(35256)

Question 148444: what is 2y + 8 over y2nd power +8y+16
Click here to see answer by ankor@dixie-net.com(22740)

Question 148807: Simplify [(3/4)^2 - (1/3)^3] * 3^2
(3^2/4^2) - (1^3/3^3) * 3^2
9/16 - 1/27 *9
I am not sure if i am headed in the right direction. Is this simplified? Or do i have to solve? Thank you
Click here to see answer by stanbon(75887)

Question 148819: Evaluate (1/3)^2 + 1/4 - (4/3)^2 * (1/2)^3
I don't even know where i would begin? Could you please help me set the problem up?
Click here to see answer by stanbon(75887)

Question 148819: Evaluate (1/3)^2 + 1/4 - (4/3)^2 * (1/2)^3
I don't even know where i would begin? Could you please help me set the problem up?
Click here to see answer by jojo14344(1513)

Question 148981: Simplify [(3/4)^2 - (1/3)^3] * 3^2.
Please help me set this up. Don't give me the answer though.
Click here to see answer by stanbon(75887)

Question 148980: Find the product of the cube of (-4/3) and square of (-3/2).
Would i go about this like this:
(-4/3)*(-4/3)*(-4/3)*(-4/3)
(-3/2)*(-3/2)
Is this correct?
Click here to see answer by stanbon(75887)

Question 148982: Simplify and write with positive exponents x^-4y5/z^-1
Please help me with this
Click here to see answer by stanbon(75887)

Question 148984: Evaluate {3(7 - 9) + 16}3 � (-5) - 24
Could you help me set the problem up? Thank you
Click here to see answer by mangopeeler07(462)

Question 148984: Evaluate {3(7 - 9) + 16}3 � (-5) - 24
Could you help me set the problem up? Thank you
Click here to see answer by stanbon(75887)

Question 148985: Simplify (6ab^4c/5b^3c^2)^3
I know when dividing you subtract the expoents, i just don't know how to set the problem up.
Click here to see answer by stanbon(75887)

Question 148985: Simplify (6ab^4c/5b^3c^2)^3
I know when dividing you subtract the expoents, i just don't know how to set the problem up.
Click here to see answer by mangopeeler07(462)

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