Kerala Board Solutions for Chapter: Square and Square Root, Exercise 3: Exercise 3

In the square of $1000$, how many zeros are there after $1?$

In the square of $10000$, how many zeros are there after $1$? What happens to the number of zeros on squaring?

How do we spot the perfect squares among $10,100,1000,10000$ and so on?

Is one lakh a perfect square?

Find out the squares of $20, 200$ and $2000$.

Is $400000000$ a perfect square? What if we put in one more zero?

Check whether $9\times {10}^7$ is perfect square.

Check whether $16\times {10}^{24}$ is perfect square.