dolphin7949 dolphin7949
  • 15-09-2020
  • Mathematics
contestada

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

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mlarsen5000
mlarsen5000 mlarsen5000
  • 15-09-2020

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.

29³=24,389

69³=328,509

Answer Link
swan85 swan85
  • 15-09-2020

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

Answer Link

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