Question

1. Write about square roots and cube roots.
Write any five 3-digit numbers (using the digits
0,1, 6, 8,9) and estimate their square roots to
the nearest whole number​

Answer 1

Given : five 3-digit numbers (using the digits 0,1, 6, 8,9)

To Find : estimate their square roots to the nearest whole number​

Solution:

168

12² < 168 < 13²

144 < 168 < 169

√168 ≈ 13

189

13² <  189 <  14²

169 < 189 < 196

=> √189 ≈ 14

186

13² <  186 <  14²

169 < 186 < 196

=> √186 ≈ 14

√169 = 13

√196  = 14

14² < 198 < 15²

196 < 198 < 225

√198 ≈ 14

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