Question

Simplify $(a^m{)}^3$

• A. $a^{mn}$
• B. $a^{3m}$
• C. $a^{m+3}$
• D. None of these

Answer 1

The correct option is B $a^{3m}$

By the Laws of Exponents, we know that $(a^m{)}^n=a^{mn}$
$\Rightarrow$$(a^m{)}^3=a^{m\times 3}=a^{3m}$