# Chapter 16 - Test: 19

$1111111$

#### Work Step by Step

Replace each hexadecimal digit with its equivalent 4-digit binary form. Add zeroes to the front of the binary value if necessary to create a 4-digit number. $7_{16}=7_{10}=2^2+2^1+2^0=111_2=0111_2$ $F_{16}=15_{10}=2^3+2^2+2^1+2^0=1111_2$ $\ \ \ \ 7\ \ \ \ \ \ F$ $\overbrace{0111}\ \overbrace{1111}$

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