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Question Number 11606 by Joel576 last updated on 29/Mar/17
Whatisthesmallestpositiveintegerxforwhich132=x10yforsomepositiveintegery?
Answered by mrW1 last updated on 29/Mar/17
32x=10y=(2×5)y=2y×5y25x=2y×5yx=2y−5×5yforxtobepositiveinteger,itmustbey−5⩾0ory⩾5⇒min.x=20×55=3125
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