Question

$2^5\times 4^5$ can be expressed as _____.

• A. $8^{-5}$
• B. $8^{-4}$
• C. $8^5$
• D. $8^4$

Answer 1

The correct option is C $8^5$

As we know $a^m\times b^m=(a\times b{)}^m$
$\Rightarrow$a=2, b=4,m=5
$\Rightarrow$ $2\times 4=8$
$\Rightarrow$$2^5\times 4^5=8^5$