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Maths Puzzle
The number in the unit's place when 17 is raised to the power of 173 is?
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- (17)^4=83521 ==> unit place comes in 1.
173=4*43+1
(17)^173=(17)^(172+1)
(17)^173=(17)^172 * (17)^1
=(17)^(4*43) * (17)^1
=(17^4)^43 * (17)^1
=(Unit place 1)^43 * (Unit place 7)
=(Unit place 1)*(Unit place 7)
= 1*7 = 7
The number in the unit's place when 17 is raised to the power of 173 is 7 - 12 years agoHelpfull: Yes(0) No(1)
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