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

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 Algebra: Negative and Fractional exponents Solvers Lessons Answers archive Quiz In Depth

 Question 156712: I can't remember how to work a fraction using numbers and letters example 9x over 7 divided by ten over 3x Click here to see answer by josmiceli(9678)

 Question 157237: Help me solve this negative T over 2 is greater than 3 over 2 What is T? Click here to see answer by nerdybill(6958)

 Question 157236: Help me solve this negative T over 2 is greater than 3 over 2 What is T? Click here to see answer by SAT Math Tutor(36)

 Question 157500: Please help my daughter solve this problem: (5x^-1/9y^-6)^-5 (5x to the negative 1divided by 9y to the negative 6 all raised to the negative 5) Your help will be most greatly appreciated. Thank you and have a good day! Click here to see answer by checkley77(12569)

 Question 158693: how do i solve this? (-8000)^4/3.This is what i had tried but am now stuck. (#=square root) sorry i dont know the proper abv for it. 3^#8000^4 i know the answer is 160 000 but i dont understand how they got to that answer i tryed everything i can think of. i assume that bc i changed it to that format the negative just goes away. your help will be greatly apreciated (sorry about the spelling doing an all nighter. Click here to see answer by scott8148(6628)

 Question 158856: what is the value of x in this equation 2 raise to the -5 = (1 + 0.23x)raise to -3 Click here to see answer by ranjithraghuram(4)

 Question 158926: How would you simplify (-2/3)^-2 ? Thank you! Click here to see answer by checkley77(12569)

 Question 159507: Evaluate and write the result using scientific notation: (4.7 x 10^-7)(1.8 x 10^9) Click here to see answer by Alan3354(30993)

 Question 159463: what is the difference between -2 to the power of 2 and (-2) to the power of 2 Click here to see answer by checkley77(12569)

 Question 159976: What should I do with the negative sign when simplifying this exponent? 9 ^-2/3 Does the fact that 1/9 has parenthesis around it change the solve? (1/9)^3/2 Click here to see answer by vleith(2825)

 Question 160045: Estimate the length of a side, s, of a cube with volume, V of 9cm^3 (where V=s^3 ). Click here to see answer by midwood_trail(310)

 Question 161082: Hi I need help with this: can the opposite of (-a) be a negative number? why? Click here to see answer by vleith(2825)

 Question 163228: What is negative thirty minus thirty? -30 - 30? Click here to see answer by MissHeidiRN(6)

 Question 164148: Divide by factoring numerators and then dividing out common factors. (7y^3-51y^2-2y+72)/(7y-9) Click here to see answer by Edwin McCravy(8909)

 Question 164149: Divide by factoring numerators and then dividing out common factors. (x^2-4x-25)/(x+4) Click here to see answer by Edwin McCravy(8909)

 Question 164194: Find the derivative of the inverse of f(x) by using 1/derivative of f(x). 1. F(x)=(x+3)^.5 This problem does not sound correct to me, but that is the problem, please help. Thanks Click here to see answer by algebrapro18(206)

 Question 166997: Determine the root under the set of real numbers. What is the square root of -16 Click here to see answer by checkley77(12569)

 Question 170391: Name the steps in simplifying fractions. I have Step 1: factor numerator and denominator I had Step 2: state restrictions on variable/look for opposites so that denominator does not equal zero. My answer for step 2 is incorrect. Step 1 is correct Click here to see answer by Mathtut(3670)

 Question 170497: Choose values of x to show that 2x^2-32/x-4 does not simplify to 2x-8. Then, simplify it correctly. I simplified it and got that the correct answer is 2x+8. I do not know how to choose values of x to show that 2x-8 is incorrect. Thank you for any help you can provide. Click here to see answer by stanbon(57347)

 Question 171372: Add: a - + 5 ---- + b ---- =? d cubed d 4d squared Click here to see answer by Alan3354(30993)