## Algebra 1

$2^{-3}\times2^{4}=2^{1}$
$2^?\times2^4=2^{1}$ To multiply powers with the same base, we add the exponents. When we add $4$ and the first exponent, we must get $1$. The only way this is true is if the first exponent is $-3$. Therefore, $2^{-3}\times2^{4}=2^{1}$