Question

Which of the following is the number of zeros in the square of 900? 2,3,4,5

Answer 1

$\textbf{To find:}$

$\text{The number of zeros in the square of 900}$

$\textbf{Solution:}$

$\textbf{We know that,}$

$\textbf{The number of zeros of a number gets double}\\\textbf{when the number is squared}$

$\text{Consider,}$

$900^2$

$\text{Number of zeros in 900 is 2}$

$\textbf{Then, the number of zeros in square of 900 is 4}$

$\textbf{Verification:}$

$\boxed{\bf\,900^2=810000}$

Answer 2

Answer:

4 is the no of zeros in the square of 900