Review - Measurements, Uncertainty and Significant Figures

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Measurement, uncertainty and significant figures review

Record the mesurements and uncertainty for the following pictures

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

0.000235 g

80 mL

509.030 g

12,001.0 in

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

3.77500

966,500

5.09500

23,650.1

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.

Review - Measurements, Uncertainty and Significant Figures

Review - Measurements, Uncertainty and Significant Figures

0.000235 g

80 mL

509.030 g

12,001.0 in

3.77500

966,500

5.09500

23,650.1

0.09403

(6.626x10-34 x 2.998 x108) 4.55x10-7

(6.626x10-34 x 2.998 x108)

4.55x10-7

200.00 + 125.2

200.00 + 125.2

12,020 + 6000

12,020 + 6000

340/12.5

340/12.5

4.32 × 1.7 0.31

4.32 × 1.7

0.31

(853.2 – 627.443) x 120

(853.2 – 627.443) x 120

9.6398 x (91.01 + 2.3 )

9.6398 x (91.01 + 2.3 )

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

0.000235 g

80 mL

509.030 g

12,001.0 in

3.77500

966,500

5.09500

23,650.1

0.09403

(6.626x10-34 x 2.998 x108) 4.55x10-7

(6.626x10-34 x 2.998 x108)

4.55x10-7

200.00 + 125.2

200.00 + 125.2

12,020 + 6000

12,020 + 6000

340/12.5

340/12.5

4.32 × 1.7 0.31

4.32 × 1.7

0.31

(853.2 – 627.443) x 120

(853.2 – 627.443) x 120

9.6398 x (91.01 + 2.3 )

9.6398 x (91.01 + 2.3 )

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

Measurement (ex. 5.0 cm)

(Uncertainty with units) ; +/-

(6.626x10^-34 x 2.998 x10⁸)
4.55x10^-7

(6.626x10^-34 x 2.998 x10⁸)

4.55x10^-7

4.32 × 1.7
0.31

(6.626x10^-34 x 2.998 x10⁸)
4.55x10^-7

(6.626x10^-34 x 2.998 x10⁸)

4.55x10^-7

4.32 × 1.7
0.31