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A four-digit hexadecimal integer is written on a napkin such that the units digit is illegible. The first three digits are 4, A, and 7. If the integer is a multiple of \(17_{10}\), what is the units digit?

 Mar 30, 2019
 #1
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16^3 x 4     16^2 x 10  + 16^1 x 7   +   16^0 x ?  = multiple of 17

?= units digit = 1

 Mar 30, 2019
edited by Guest  Mar 30, 2019
 #2
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Thanks

CorbellaB.15  Mar 30, 2019

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