Question
Express the following in exponential form: $(-2) \times (-2) \times (-2) \times (-2) \times a \times a \times a$
✓
Answer
$(-2) \times(-2) \times(-2) \times(-2) \times a \times a \times a$
$=(-2)^4 a^3$
$=(-2)^4 a^3$
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