+0  
 
0
1
1
avatar+1981 

A four-digit hexadecimal integer is written on a napkin such that the units digit is illegible. The first three digits are 2, $F$, and 1. If the integer is a multiple of $19_{10}$, what is the units digit?

 Jul 1, 2024
 #1
avatar+867 
0

The units digit is 5.

 Jul 2, 2024

2 Online Users