Question

$a^m\times a^n=$ _____

• A. $a^{mn}$
• B. $a^{m+n}$
• C. $a^{\frac{m}{n}}$
• D. $(a^m{)}^n$

Answer 1

The correct option is B $a^{m+n}$

For any non-zero integer 'a',
$a^m\times a^n=a^{m+n}$,
where m and n are integers.
For example, $3^2\times 3^{-3}=3^{2+(-3)}=3^{-1}=\frac{1}{3}$