Question

Convert the following numbers to exponential form using $a^{m} \div a^{n}=a^{m-n}$ and simplify: 27 ÷ 243

Answer 1

hey mate

$27 \div 243 \\ = {3}^{3} \div {3}^{5} \\ = {3}^{3 - 5} \\ = {3}^{-2}$
=1/3^2
=1/9

hope it helps