Question

Simplify and express in exponential form:
$4^3$ x $4^{-2}$ x ${16}^2$

Answer 1

$a^x$ $\times$ $a^y$ = $a^{x+y}$

∴ $4^3\times 4^{-2}\times {16}^2=4^3\times 4^{-2}\times {\left(\right(4{)}^2)}^2=4^3\times 4^{-2}\times 4^4=4^{3-2+4}=4^5$