Question

$63÷\sqrt{0.0049}$ equals

• A. 1.285
• B. 900
• C. 90
• D. 12.85

Answer 1

The correct option is B 900

We will divide the above problems into parts as following:

$\sqrt{0.0049}$

$\sqrt{49}$ $\to$ $7$

$\sqrt{10000}$ $\to$ $100$

$\sqrt{0.0049}$ $\to$ $\sqrt{49}$ $/$ $\sqrt{10000}$

$\sqrt{0.000441}$ $\to$ $\frac{7}{100}$ $\to$ $0.07$

$\frac{63}{0.07}$ $\to$ $900$

Hence, Option B is correct.