Question

The units digit of the expression 125⁸¹³ × 553³⁷⁰³ × 4532⁸²⁸ is

(a) 4

(b) 2

(c) 0

(d) 5

Answer 1

Correct option is (c) 0

As given 125⁸¹³ × 553³⁷⁰³ × 4532⁸²⁸

In given expression

Unit digit in 1^st term = 5

Unit digit in 2^nd term = 3

Unit digit 3^rd term = 2

Sum of unit of digit = 5 + 3 + 2 = 10

Unit digit = 0