1. 4.158 Accuracy = Precision = Round to 3 significant figures 4 digits thousandths 4.16

2. 74.158 Accuracy = Precision = Round to 3 significant figures 5 digits thousandths 74.2

3. .158700 Accuracy = Precision = Round to 3 significant figures 6 digits millionths.159

4. 4001 Accuracy = Precision = Round to 3 significant figures 4 digits ones 4000

5. 32,480,000 Accuracy = Precision = Round to 3 significant figures 4 digits Ten thousands 32,500,000

6. 14.8 Accuracy = Precision = Round to 3 significant figures 3 digits tenths 14.8

7. 4.17580 Accuracy = Precision = Round to 3 significant figures 6 digits Hundred thousandths 4.18

8. 55.12 Accuracy = Precision = Round to 3 significant figures 4 digits hundredths 55.1

9. 270.007 Accuracy = Precision = Round to 3 significant figures 6 digits thousandths 270 ** a line over the zero can be used to indicate last significant digit

10. .00051 Accuracy = Precision = Round to 3 significant figures 2 digits Hundred thousandths Already rounded to 2 no changes

11. 200.999 Accuracy = Precision = Round to 3 significant figures 6 digits thousandths 201