## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 9 - Measurement - 9.1 Measuring Length; The Metric System - Exercise Set 9.1: 84

#### Answer

Cherrapunji has the greater average rainfall by 31 inches.

#### Work Step by Step

The rainfall in Mawsynram is 11,870 mm. Since 1 cm = 10 mm, we need to move the decimal place 1 place to the left to convert from units of mm to units of cm. $11,870~mm = 1187~cm$ We can convert the rainfall in Mawsynram from units of centimeters to units of inches. $1187~cm = \frac{1187~cm}{1}\times \frac{1~in}{2.54~cm} = 467~in$ The rainfall in Mawsynram is 467 inches. The rainfall in Cherrapunji is 498 inches. Cherrapunji has the greater average rainfall by 31 inches.

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