Question

What is the last digit (one's place) of ${143}^3?$

• A. $3$
• B. $9$
• C. $7$
• D. $1$

Answer 1

The correct option is C $7$

Given, the number is ${143}^3$.

Here, the units digit is $3$.

We know, the cube of $3$, i.e. $3^3=27$, whose units place is $7$.

Therefore, the units digit of the cube of $143$, i.e. ${143}^3$ is $7$.

Hence, option $C$ is correct.