Question

find the one's digit of the cube of each of the following numbers 3331 , 8888 , 149 , 1005 , 1024 , 77 , 5022 , 53

Answer 1

"The ones digit of the cube of each of the following numbers:

• 3331 - it ends with 1 and hence the unit digit in the cube is 1

• 8888 - it ends with 8 and hence the unit digit in the cube is 2

• 149 - it ends with 9 and hence the unit digit in the cube is 9

• 1005 - it ends with 5 and hence the unit digit in the cube is 5

• 1024 - it ends with 4 and hence the unit digit in the cube is 4

• 77 - it ends with 7 and hence the unit digit in the cube is 3

• 5022 - it ends with 2 and hence the unit digit in the cube is 8

• 53 - it ends with 3 and hence the unit digit in the cube is 7

"