## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 4 - Number Representation and Calculation - 4.4 Looking Back at Early Numeration Systems - Exercise Set 4.4 - Page 241: 30

#### Answer

$XCVI$

#### Work Step by Step

RECALL: $C=100 \\L=50 \\X=10 \\V=5 \\I=1$ Note that: When a smaller number is written before a bigger number, the smaller number is subtracted to the bigger number. Thus, $96 = (100-10) + 5+1 \\96=XCVI$

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