Question

write the ones place of cube of the following a.123 b.684

Answer 1

Hey buddy here is your answer Answer a) 7 b)4

Answer 2

Ones place is ,

a. 7

As 3 cube is 27 the cube of any number ending with 3 ends with 7

b. 4

As 4 cube is 64 the cube of any number ending with 4 ends with 4

Thank u.

@spyder