Question

Write ones digit of the cube of each of the following numbers:

$231$

$358$

$419$

$725$

$854$

$987$

$752$

$893$

Answer 1

ones digit of cube of $231\Rightarrow 1^3=1$

ones digit of cube of $358\Rightarrow 8^3=512\Rightarrow 2$

ones digit of cube of $419\Rightarrow 9^3=729\Rightarrow 9$

ones digit of cube of $725\Rightarrow 5^3=125\Rightarrow 5$

ones digit of cube of $854\Rightarrow 4^3=64\Rightarrow 4$

ones digit of cube of $987\Rightarrow 7^3=343\Rightarrow 3$

ones digit of cube of $752\Rightarrow 2^3=8\Rightarrow 8$

ones digit of cube of $893\Rightarrow 3^3=27\Rightarrow 7$