SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Calculate 345.009 g-23.009 g and give your answer with the appropriate number of significant figures.
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322.00 g
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322 g
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322.000 g
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322
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Explanation:
Detailed explanation-1: -Pay particular attention to the funda-mental difference between the decimal place and a significant digit: The numbers 0.00036, 36, and 36, 000, 000 all have 2 sig-nificant digits-3 and 6-but different decimal places.
Detailed explanation-2: -The zeroes that are placed are counted as the significant digits as they increase the precision of the number, thus the significant figures in 307.080 g are 6.
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