Question

Without actually finding the cube, find the digit at the ones place of the cube of 72.​

Answer 1

Answer:

cube of ones plac3 digit (2) = 8

therefore the digit at the ones place of cube of 72 would be 8

Answer 2

Step-by-step explanation:

• So basically we are multiplying 72 three times
• If you look at the unit digit '2'
• Multiply it three times
• 2*2*2
• =8

Thus the unit digit of 72 cube will be 8.

Not only 72 but any number with unit digit 2 when cubed will have unit digit 8.

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