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