Question

QUESTÃO 02- A raiz quadrada do número A=
2(4) x 3(4) x 5² é:
(A) 30
1B) 60
(C) 90
(D) 180​

Answer 1

$\sqrt{a} = \sqrt{ {2}^{4} \times {3}^{4} \times {5}^{2} } = \sqrt{ {2}^{2} \times {2}^{2} \times {3}^{2} \times {3}^{2} \times {5}^{2} } = 2 \times 2 \times 3 \times 3 \times 5 = 180$