Question

The product of $mn,mnp$ and $np$ is

• A. $m^2{n}^2{p}^2$
• B. $m{n}^3{p}^2$
• C. $m^2{n}^{3}p$
• D. $m^2{n}^3{p}^2$

Answer 1

The correct option is D

$m^2{n}^3{p}^2$

$mn\times \left(mnp\right)\times \left(np\right)$
= $m^{(1+1)}{n}^{(1+1+1)}{p}^{(1+1)}$
= $m^2{n}^3{p}^2$