Question

evaluate.
$2^4 = \square$

Explanation:

Step1: Recall exponentiation definition

$a^n$ means multiplying $a$ by itself $n$ times. Here, $a = 2$ and $n = 4$.

Step2: Calculate $2^4$

$2^4 = 2\times2\times2\times2$
$= 4\times2\times2$
$= 8\times2$
$= 16$

Answer:

16