10
QuizMultiple Choice

Scientific Notation and Significant Figures

Question 10 • CR SS Chemistry S2 2018/19 2026

Henry divides 1.060 g by 1.0 mL to find the density of his water sample. How many significant figures should he include in the density value that he reports?

Answer
A
one
B
two
C
three
D
four

Explanation

For division, the result should have the same number of significant figures as the measured value with the fewest. The mass, 1.060 g, has four significant figures, while the volume, 1.0 mL, has two. Therefore, Henry should report the density with two significant figures: choice B, “two.”

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