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Question
The correctly reported answer of the addition of 4.523, 2.3 and 6.24 will have significant figures:
The correctly reported answer of the addition of 4.523, 2.3 and 6.24 will have significant figures:
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Solution
The correct option is B Three
The addition of given numbers is- 4.523+2.3+6.24=13.063
The result cannot have more digits to the right of the decimal point than either of the original numbers.
As 2.3 has the least number of decimal places, i.e. one, therefore sum should be reported to one decimal place only.
After rounding off, reported sum = 13.1, which has three significant figures.
The addition of given numbers is- 4.523+2.3+6.24=13.063
The result cannot have more digits to the right of the decimal point than either of the original numbers.
As 2.3 has the least number of decimal places, i.e. one, therefore sum should be reported to one decimal place only.
After rounding off, reported sum = 13.1, which has three significant figures.
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