Question

valor da expressao 27 elevado a 2/3 + 9 elevado a 5/2

Answer 1

${27}^{ \frac{2}{3} } + {9}^{ \frac{5}{2} }$

${27}^{ \frac{2}{3} } = \sqrt[3]{ {27}^{2} } \\ \sqrt[3]{ {27}^{2} } = {3}^{2} = 9$

${9}^{ \frac{5}{2} } = \sqrt{ {9}^{5} } = {3}^{5} = 243$


9+243=252