Question

How do you simplify $\frac{1}{4^{-2}}$?

Answer 1

Simplify the given number:

The given irrational number is $\frac{1}{4^{-2}}$.

$\therefore \frac{1}{4^{-2}}=\frac{1}{{\displaystyle \frac{1}{4^2}}}$

$=4^2$

$=16$

Hence, the simplified value of $\frac{1}{4^{-2}}$ is $16$.