Powers and Roots Practice Test 1

270 = 2 × 5 × 3 × 3 × 3 = 10 × 3 × 3 × 3
From the above, we find that the number 10 does not make a group of three.
∴ If we multiply 270 by (10 × 10 = 100), the product would be 10 × 10 × 10 × 3 × 3 × 3 which is a perfect cube.