## 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 242: 54

#### Answer

Here,$\sigma =200,\,\,\nu =50\,\,and\,\zeta =7$ \begin{align} & 257=200+50+7 \\ & =\sigma \nu \zeta \end{align} Which is the required Ionic Greek Numeral. Greek Ionic Numeral of the given Hindu-Arabic Numeral is $=\sigma \nu \zeta$

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