Question 5
Fractions, Decimals and ApproximationEvaluate (0.21 × 0.072 × 0.00054)/(0.006 × 1.68 × 0.063), correct to four significant figures.
- A.0.01286
- B.0.01285
- C.0.1286
- D.0.1285
Show the answer and explanation
Answer: A (0.01286)
Explanation
The numerator is 0.0000081648 and the denominator 0.00063504. Their quotient is 0.012857…, which is 0.01286 to 4 significant figures.