Question

how to solve( 5.2)^3/2​

Answer 1

${5.2}^{3 \div 2}$

Answer 2

${5.2}^{ \frac{3}{2} } = \sqrt{ {5.2}^{3} }$

$= 5.2 \sqrt{5.2} \\ = \frac{26}{5} \sqrt{ \frac{26}{5} }$

on rationalising it will become

$\frac{26 \sqrt{130} }{25}$