Question

cube root of 784by prime factorisation

Answer 1

$\sqrt[3]{784} = \sqrt[3]{2 \times 2 \times 2 \times 2 \times 7 \times 7}$
$= 2 \sqrt[3]{2 \times 7 \times 7 } = 2 \sqrt[3]{98}$

Answer 2

cube root of 784 is 2 root 98