Question

what will be the units digit of the square of the following numbers a) 297 b) 2433​

Answer 1

Answer:

2433 b. b. b. b. b. oooooooooo

Answer 2

Unit digit of multiplication of 2 numbers is obtained by taking the last digit of the multiplication of two numbers i.e. the digits at the unit place

Units digit of 297×297 is obtained by taking the last digits i.e. 7×7=49

⇒ Unit digit of square of 297 is 9.

(b)? sorry