Question

calculeaza 81 la puterea 7:3 la puterea 5 la puterea2

Answer 1

${81}^{7} \div { {3}^{5} }^{2} =$
${ ({3}^{4})}^{7} \div {3}^{10} =$
${3}^{28} \div {3}^{10} =$
${3}^{18}$