Question

What is the possible unit digit of the square root of 1521

Answer 1

Answer:

possible square root of √1521 is 39

Answer 2

The possible unit digit of the $\sqrt{1521}$ = 9

Step-by-step explanation:

We have,

$\sqrt{1521}$

To find, the possible unit digit of the $\sqrt{1521}$ = ?

∴  1521 = 3 × 507

= 3 × 3 × 169

= 3 × 3 × 13 × 13

∴ $\sqrt{1521}$

$=\sqrt{3 \times 3 \times 13 \times 13}$

= 3 × 13

= 39

Unit digit = 9

∴ The possible unit digit of the $\sqrt{1521}$ = 9

Thus, the possible unit digit of the $\sqrt{1521}$ is equal to 9.