How do you evaluate the expression $(-7)^2(-7)$ using the properties?

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Answer 1 · 2017-03-17T19:50:48

...properties of exponents....?

You know that:
$x^a*x^b=x^(a+b)$
so in your case:
$(-7)^2(-7)^1=(-7)^(2+1)=(-7)^3$
and:
$(-7)^3=-7*-7*-7=-343$

How do you evaluate the expression (-7)^2(-7)(-7)^2(-7) using the properties?