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What percentage of numbers from 1 to 70 have squares that end in the digit 1?

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What percentage of numbers from 1 to 70 have squares that end in the digit 1?
posted Feb 14, 2019 by anonymous

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1 Answer

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1, 4, 9, 16, 25, 36, 49, 64- list of all squares under 70
Only one end with digit 1
(1/70)*100%=1.43%

answer Feb 14, 2019 by Hanifa Mammadov



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