Question

evaluate.
$(-9)^2=
(-6)^3=$

Explanation:

Step1: Recall exponent rule for $(-9)^2$

$(-9)^2=(-9)\times(-9)$

Step2: Calculate $(-9)\times(-9)$

$(-9)\times(-9) = 81$

Step3: Recall exponent rule for $(-6)^3$

$(-6)^3=(-6)\times(-6)\times(-6)$

Step4: Calculate $(-6)\times(-6)$ first

$(-6)\times(-6)=36$

Step5: Multiply result by - 6

$36\times(-6)=- 216$

Answer:

$(-9)^2 = 81$
$(-6)^3=-216$