+0  
 
+1
829
2
avatar+142 

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
avatar+37153 
0

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
avatar+142 
+1

Thanks

CorbellaB.15  Mar 30, 2019

1 Online Users

avatar