Question

P to the power 4 is equal to 256

Answer 1

$p {}^{4} = 256 \\ p {}^{4 } = 4 {}^{4} \\ base \: is \: same \: so \: . \\ p = 4$
I hope it helps you

Answer 2

p^4 = 256

p^4 = 4^4

powers are same. so they will cut

then p= 4