If 0.61 is added to 167 with due regard to significant figures, then we get:
Correct answer: C. 167.61
- A. 168
- B. 167
- C. 167.61
- D. 167.6
Explanation
In terms of significant figures, when adding 0.61 to 167:167 + 0.61 = 167.61The number 0.61 has two significant figures, and 167 has three significant figures. When adding these numbers together, the least number of decimal places in the original numbers determines the precision of the result.Therefore, considering significant figures, the result of adding 0.61 to 167 would be 167.61.
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About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
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