Fill in the missing integers.

$\sqrt{49}=7$√49=7 because $\left(\editable{}\right)^{\editable{}}$()$=$=$49$49.

Evaluate $\sqrt{4}$√4

Evaluate $\sqrt{16}$√16

Evaluate $\sqrt{64}$√64

Use prime numbers, common factors and multiples, and powers (including square roots)