The unit place digit of the cube of a number ending in 3 is Share with your friends Share 2 Anjaneya Raj Garg answered this The cube of a number will have units digit 7 if its cube root is having the unit place digit as 3. For example- 13 cube= 2197 1 View Full Answer Pon Akilan answered this 7*7*7=343 is the answer... 0 Jayden Aranha answered this 7x7x7=343 is the answer 0