The precision and number of significant figures in 0.0045 mm is
A) precision = 0.0001 mm, significant figures = 4.
B) precision = 0.001 mm, significant figures = 4.
C) precision = 0.0001 mm, significant figures = 3.
D) precision = 0.001 mm, significant figures = 3.
E) precision = 0.0001 mm, significant figures = 2.

Question

Quizplus · Accepted Answer

The precision is determined by the smallest decimal place, which is 0.0001 mm. The number of significant figures is 2, as only the digits '4' and '5' are significant.

The Precision and Number of Significant Figures in 0