3 years ago

What will be the unit digit of the cube of a number ending with 9 ?

Mathematics

2 answers:

Bess [88]3 years ago

3 0

Answer:

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.

29³=24,389

69³=328,509

SashulF [63]3 years ago

3 0

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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