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What is the last digit of 6100?

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What is the last digit of 6100?

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Best answer

We know that 

61 = 6 

62 = 36 

63 = 216 

64 = 1296 

65 = 7776 

We see that 6n for any positive integer n ends is 6. 

i.e., unit digit is always 6. 

∴ Unit digit of 6100 is 6.

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