evaluate the expression $2^3 + 20$. now, add. $2^3 + 20 = 2 \\cdot 2 \\…

$evaluate the expression $2^3 + 20$. now, add. $2^3 + 20 = 2 \\cdot 2 \\…$

evaluate the expression $2^3 + 20$. now, add. $2^3 + 20 = 2 \cdot 2 \cdot 2 + 20 = 8 + 20 = \square$

$2^3 = 2\times2\times2 = 8$

$8 + 20 = 28$

28