What will be the unit digit of the cube of a number ending with 9 ?
2 answers:
Answer:
9
Step-by-step explanation:
If I’m understanding you correctly, the answer would be nine. Any number with a 9 in the one’s place (unit digit) would still have a nine in that place after being cubed.
29 ³=24,389
69 ³=328,509
Answer:
Step-by-step explanation:
unit digit of cube of any number will be the unit digit of its last digit
the unit digit of the cube of a number ending with 9 is 9
ex : unit digit of 29³= unit digit of 9³=unit digit of 729 =9
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