Five numbers 8,27, 1331, 1000,125 are perfect cubes and four numbers 9,100, 25, and 81 are perfect squares.
What is a cube root?
The cube root of a number is a value that when multiplied by itself three times produces the original value.
8- perfect cube. 2×2×2=8
9-perfect square. 3×3=9
21- neither.
27- perfect cube. 3×3×3=27
1331- perfect cube. 11×11×11=1331
1332- neither
100- perfect square. 10×10=100
1000- perfect cube. 10×10×10=1000
126- neither
125- perfect cube. 5×5×5=125
25-perfect square. 5×5=25
81-perfect square. 9×9=81
Therefore the five numbers 8,27, 1331, 1000,125 are perfect cubes and the four numbers 9,100, 25, and 81 are perfect squares.
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