Question

$\sqrt{729}+45\times540=?^2$

• A. 18
• B. 324
• C. 14
• D. 196

Answer 1

Answer:

A. 18

$\sqrt{729}\div45\times540=?^2$

$27\div45\times540=?^2$

$3/5\times540=?^2$

$3\times108=?^2$

$324=?^2$

$?=\sqrt{324}$

$?=18$