If length = 0.233m and width 0.178m, the most accurate area expressed in terms of significant figures is:
Correct answer: C. 0.041474m2
- A. 0.0391m2
- B. 0.041563m2
- C. 0.041474m2
- D. 0.041m2
Explanation
By using formulae Area= length BreadthArea=Length Breadth = 0.233m×0.178mArea = 0.041474 m²
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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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