Unit 2 Exit Ticket #2: Sig Figs and Sig Fig Math

Solve & Round to Correct Sig Figs.
4.5 + 4.32 = 

• 8.8
• 8.7
• 8
• 8.0

Solve & Round to Correct Sig Figs.
4.5 x 2.34 = 

• 11
• 10.52
• 10.5
• 10

Solve & Round to Correct Sig Figs.
207 + 2 = 

• 209
• 210
• 209.0
• 209.00

Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.

• 4 m/s
• 3.9 m/s
• 3.90 m/s
• 3.897 m/s

Tags

NGSS.HS-PS4-1

Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.

• 10 cm³
• 11.1 cm³
• 11 cm³
• 11. cm³

Solve, and round using Sig Fig math rules:

12.5-mL + 20.05-mL + 2.69-mL

• 35 mL

• 35.2 mL

• 35.24 mL

• 35.240 mL

Solve, and round using Sig Fig math rules:

98.7°C - 97.25°C

• 1 °C

• 1.5 °C

• 1.45 °C

• 1.450 °C

Using correct sig figs, determine the density of an object with a mass of 10.0 grams and a volume of 5.0 mL.

• 2.00 g/mL

• 2.0 g/mL

• 2 g/mL

• 0.5 g/mL

How many digits past the decimal should you report your answer with?

20.34 + 4.582 +3.2

• 1

• 3

• 2

How would you write the following number using scientific notation?

45,800,000 mL