Answer:
(-4)(-4)=16
Step-by-step explanation:
Given expression is (-4)(-4).
Now question says to rewrite the expression (-4)(-4), simplify. Which can be done as follows:
(-4)(-4)
[tex]=(-4)^2[/tex] {since (-4) repeats twice so we can raise that to exponent 2}
[tex]=16[/tex] {since square of any number is always positive. Also square of 4 is 16}
Hence final answer is 16