What digit will come in unit place of cube of number 128?
Answers
Answer:
8×8=64×8=(4×8)=32
Step-by-step explanation:
hence it would end with 2
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Given : cube of number 128
To find : digit in unit place of cube of number 128
Solution:
To find unit digit in cube of 128
we will find cube of unit digit of 128
cube of unit digit of a number will have same unit digit as cube of number
8³ = 8 x 8 x 8 = 512
Ends with 2
Hence cube of number 128 ends with 2
digit in unit place of cube of number 128 is 2
cube of number with unit digit 0 ends with a number with unit digit 0
cube of number with unit digit 1 ends with a number with unit digit 1
cube of number with unit digit 2 ends with a number with unit digit 8
cube of number with unit digit 3 ends with a number with unit digit 7
cube of number with unit digit 4 ends with a number with unit digit 4
cube of number with unit digit 5 ends with a number with unit digit 5
cube of number with unit digit 6 ends with a number with unit digit 6
cube of number with unit digit 7 ends with a number with unit digit 3
cube of number with unit digit 8 ends with a number with unit digit 2
cube of number with unit digit 9 ends with a number with unit digit 9
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