Question

Qual o valor da raiz quadrada de 4/49?

7/2 ( )

2/6 ( )

12,25 ( )

2/7 ( )

nda ( )

Answer 1

$\sqrt{ \frac{4}{49} } = \frac{2}{7}$

2 × 2 = 4
7 × 7 = 49

Answer 2

√4/49 = √2²/7² = √(2/7)² = 2/7✓