0.0084 has _ significant figures.
Correct answer: A. 2
- A. 2
- B. 4
- C. 5
- D. 1
Explanation
Significant figures are the meaningful digits in a number that indicate its precision. In 0.0084, the 8 and the 4 are considered significant because they contribute to the number's value. Zeros before the first non-zero digit (here, the 8) are not significant; they just indicate the decimal's placement. Therefore, in 0.0084, only the 8 and the 4 are considered significant figures.
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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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