Question

Which number is both a perfect square and a perfect cube?
a)81
b)100
c)64
d)16​

Answer 1

Step-by-step explanation:

1) The product of a whole number multiplied by itself. square because it can be written as 52 • Perfect Squares – 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, . . .

2)1 and 64 are only numbers from 1 to 100 that are both perfect squares and cubes.

3)125 and 64 is the both a perfect square and a perfect cube

4): 64 is correct answer of your question. 64 is a perfect cube of 4.

Answer 2

Answer:

c-64

Step-by-step explanation:

You just have to go through each number and see if it works. 81 is only a perfect square, which is 9 squared. 100 is also only a perfect square, which is 10 squared, but 64 is both a perfect square and a perfect cube, which are 8 squared and 4 cubed, so 64 is the right answer. Just to make sure, we check that 16 is not a perfect cube.

So the answer is C)64