Significant Figures and Scientific Notation Quiz

4.560 × 10² mL – Which are the significant figures?

• 4

• 4.5

• 4.560

• 456

0.00789 kg – Which are the significant figures?

• 0.007

• 789

• 0.078

• 0.00789

92,000 cm – Which are the significant figures?

• 9.2

• 92

• 920

• 92,000

0.000405 L – Which are the significant figures?

• 4

• 405

• 0.00405

• 0.405

530. s – Which are the significant figures?

• 53

• 530

• 5.3

• 500

0.0905 g – Which are the significant figures?

• 905

• 0.09

• 0.905

• 9

76,438 g rounded to 4 sig figs →

• 76,400

• 76,438

• 76,440

• 76,000

0.004872 m rounded to 2 sig figs →

• 0.0048

• 0.0049

• 0.00487

• 0.0050

0.0009876 L rounded to 3 sig figs →

• 0.000988

• 0.000987

• 0.00099

• 0.000980

920,000 km expressed in scientific notation →

• 9.2 × 10⁵

• 92 × 10⁴

• 0.92 × 10⁶

• 9.20 × 10⁴