Question

Find the unit digit of 634^262 +
6341263 ​

Answer 1

Answer:

0

Step-by-step explanation:

Solution:

Given that 634^262 + 634^263

= 634^262(1 + 634)

=(634^262) x 635

The unit digit of (634262) x 635 = the unit

digit of (4262 x 5)

We know that, the unit digit of 4 to the power of any odd number is 4 and the unit digit of 4 to the power of any even number is 6.

Then the unit digit of (4262 x 5) = unit !! digit of(6 x 5) = 0