Question

question
use multiplication to expand the expression below. then compute.
$(-7)^2$
answer attempt 2 out of 2
press the $\times$ button or type the * symbol on your keyboard to represent mu
expanded form: $-7 \times -7$
answer: $-49$

Explanation:

Step1: Recall the meaning of exponent

An exponent of 2 means multiplying the base by itself. So $(-7)^2$ can be expanded as $(-7)\times(-7)$.

Step2: Multiply the two negative numbers

When multiplying two negative numbers, the result is positive. So $(-7)\times(-7) = 49$.

Answer:

Expanded Form: $-7\times -7$