Hi to whoever is reading this. I really need help on breaking down the expression. I am doing this without a calculator and I do

Question

3 years ago

11

n’t Know what steps to take to get the answer.

1 answer:

Kitty [74] · Answer 1 · 2022-07-08T19:27:01+03:00

Kitty [74]3 years ago

4 0

Answer:

A

Step-by-step explanation:

$81$ is $9^2$ which happens to be $(3^2)^2$ or $3^4$ .

So $\sqrt[4]{81} =3$

this eliminates options C and D

It can't be option B as both b and c aren't 4th rooted.