Question

find the last digit of the following expression
256
97
(15) + (19) 138 + (32)​

Answer 1

Step-by-step explanation:

(15)+19(138)+(32)

Unit digit of 15 is 5.

Unit digit of 19×138 is 9×8.... 72. is 2.

Unit digit of 32 is 2.

Unit digit of expression is

5+2+2

9