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  4. The correctly reported answer of the addition of 29.4406, 3.2 and 2.25 will have significant figures:

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Q. The correctly reported answer of the addition of $29.4406,$ 3.2 and 2.25 will have significant figures:

Some Basic Concepts of Chemistry

Solution:

$29.4406+3.2+2.25=34.8906 $ As $3.2$ has least number of decimal places, i.e., one, therefore sum should contain one decimal place only. After round off, reported sum is 34.9 , which has three significant figures