Question

how many significant figures are in the measurement 0.001 ml? * 5 points
1
2
3
4
how many significant figures are in the measurement 0.0021 cm? * 5 points
1
2
3
4
5

Explanation:

Step1: Recall significant - figure rules

Leading zeros are not significant.

Step2: Analyze 0.001 mL

The number 0.001 has only 1 non - zero digit (1), and the leading zeros are not significant. So, it has 1 significant figure.

Step3: Analyze 0.0021 cm

The leading zeros are not significant. The non - zero digits 2 and 1 are significant. So, it has 2 significant figures.

Answer:

1. A. 1
2. B. 2