Math, asked by bibhas77, 1 year ago

the unit digit in the product 122^173

Answers

Answered by sahildalal1986

The unit digit is 122*173=2

Because cylicity of 2 is 4

That is after every fourth square its unit digits starts repeating and therefore when we divide 173 by 4 remainder is 1 that is 2^1 therefore unit digit is 2

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bibhas77: plz explain

sahildalal1986: Since when we multiply the unit digits of two numbers the unit digit of product is same as that of the numbers

sahildalal1986: Srry I misunderstood your question

sahildalal1986: i have edited

Answered by Anonymous

Heya....

Here's your answer......

The unit digit in the product 122¹⁷³ = 2.

Thanks...!!!

Sorry baby 'wink'

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