SOLUTION: I need help doing 81^-3/4 without a calculator, the part stumping me is how to do {{{4sqrt(81^3)}}} is it possible for a step by step explanation on how to solve

Question 781020: I need help doing 81^-3/4 without a calculator, the part stumping me is how to do
is it possible for a step by step explanation on how to solve
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The order of the operations makes a big difference

Think of this as:

Note that , so
and
, so

----------------------
check:

OK

RELATED QUESTIONS
Evaluate the logarithm without using a calculator. log1/3 81 What I tried so far... (answered by solver91311)

Could someone help with this radical? I am having troubles understanding how to do this? (answered by stanbon,solver91311)

I hope someone can help me with this problem. I have the function f(x)=sqrt(x^2+81)-15. (answered by solver91311)

How do I find log(3)1/81 on a calculator.... (answered by stanbon,jim_thompson5910)

I need step by step on solving LOG 10/3 without a calculator This is what I tried: (answered by CharlesG2)

Desperate for your help! I'm working on the squares of Binomials and had been doing... (answered by stanbon)

Hello. My question is {{{(2x-3)(x+4)=6}}} I need to solve by factoring. I tried to but (answered by richard1234)

I understand how I arrived at the equation I just can't get my calculator to work. I'm... (answered by haileytucki,Alan3354)

I have a few Questions about negative fractional exponents. I was unable to find the... (answered by stanbon)