(i) 9216 can be factorised as follows.
2 |
9216 |
2 |
4608 |
2 |
2304 |
2 |
1152 |
2 |
576 |
2 |
288 |
2 |
144 |
2 |
72 |
2 |
36 |
2 |
18 |
3 |
9 |
3 |
3 |
|
1 |
9216 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3× 3
∴ √9216 = 2 x 2 x 2 x 2 x 2 x 3 = 96
(ii) 529 can be factorised as follows.
529 = 23 x 23
∴ √529 = 23
(iii) 8100 can be factorised as follows.
2 |
8100 |
2 |
4050 |
3 |
2025 |
3 |
675 |
3 |
225 |
3 |
75 |
5 |
25 |
5 |
5 |
|
1 |
8100 = 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5
∴ √8100 = 2 x 3 x 3 x 5 = 90