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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

Round the following decimal numbers upto 1 places of decimal 19.99 - Mathematics

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Question

Round the following decimal numbers upto 1 places of decimal

19.99

Sum

Solution

19.99

Rounding 19.99 upto one places of decimal means round to the nearest tenth place.

Underling the digit in the tenths place of 19.99 gives 19.99.

Since the digit next to the tenth place value is 9 which is greater than 5, we add 1 to the underlined digit to get 20.

Hence the rounded value of 19.99 upto one places of decimal is 20.0.

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Rounding of Decimals
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Chapter 1: Number System - Exercise 1.1 [Page 4]

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Samacheer Kalvi Mathematics - Term 3 [English] Class 7 TN Board
Chapter 1 Number System
Exercise 1.1 | Q 3. (ii) | Page 4
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