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Review - Measurements, Uncertainty and Significant Figures

Last updated almost 4 years ago
37 questions
Note from the author:
Measurement, uncertainty and significant figures review
Record the mesurements and uncertainty for the following pictures
1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

1

Measurement (ex. 5.0 cm)

1

(Uncertainty with units) ; +/-

For questions 21-24 How many significant figures are in the following measurements
1

0.000235 g

1

80 mL

1

509.030 g

1

12,001.0 in

For questions 25 -29 Round the following to 3 significant figures
1

3.77500

1

966,500

1

5.09500

1

23,650.1

1

0.09403

For questions 30-37 Perform the following operations and give the answers in the correct number of significant figures. If the question is in scientific notation, then please use scientific notation in your answer.
1

(6.626x10-34 x 2.998 x108)

4.55x10-7

1

200.00 + 125.2

1

12,020 + 6000

1

340/12.5

1

1

4.32 × 1.7

0.31

1

(853.2 – 627.443) x 120

1

9.6398 x (91.01 + 2.3 )