Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 4 - Number Representation and Calculation - 4.4 Looking Back at Early Numeration Systems - Exercise Set 4.4: 35

Answer

$\overline{V}MDCCCXCII$

Work Step by Step

RECALL: $M=1000 \\D=500 \\C=100 \\L=50 \\X=10 \\V=5 \\I=1$ (1) When a smaller numeral is written before a bigger numeral, the smaller numeral is subtracted to the bigger numeral. (2) When a bar is written on top, the value is multiplied by 1000. Note that: $6892 = 6000+800+90+2 \\6892 = 5000+1000 + 500+100+100+100 + (100-10) + 1 + 1 \\6892 = \overline{V}MDCCCXCII$
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