Question

Which 3 digit number is both a square and a cube?

Answer 1

Answer:

729

Step-by-step explanation:

729 is a 3 digit number which is a square(27) as well as a cube(9).

Answer 2

$\huge\bold\red{Question}$

Which $3$ digit number is both a square and a cube?

$\huge\bold\green{Solution}$

$729$ is a $3$-digit number which is a square$(27)$ as well as a cube$(9)$.

$\bold{3^6 = (3^2)^3 = 9^3}$

$\bold{3^6 = (3^2)^3 = 27^2}$