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Question

# Sam has 13 full chocolate bars and 0.7 of one chocolate bar. How many chocolate bars does he have? Estimate the answer to its nearest natural number.

A
13
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B
14
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C
13.5
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D
None of these
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Solution

## The correct option is B 14Sam has 13 full chocolate bars and 0.7 of one chocolate bar =13+0.7=13.7 Estimating 13.7 to nearest natural number. Step 1: Locate the number mentioned in the nearest place value (nearest natural number) i.e ones place Step 2: Look at the digit to the right of the digit you want to estimate i.e 7 (tenths place) Step 3: Follow the rule: If you see a digit nearest to natural number greater than 5, round up. If it is less than 5, round down. 7 in tenths place is greater than 5 so we increase the digit in ones coloum by 1. 13.7→14.7 Finally we eliminate the digits after rounded off digits. Hence 13.7 estimated to nearest natural number is 14.

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