Addition and Subtraction w/ Sig Figs

How many sig figs are there?
100.00

• 1
• 3
• 4
• 5

Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.

• 7.45 m
• 7.447 m
• 7.4 m
• 7.5 m

Calculate 12.34 + 1.234 + 0.1234

• 13.6974
• 13.697
• 13.70
• 13.7

Calculate 345.009 g - 23.00 g and give your answer with the correct number of significant figures.

• 322.01 g
• 322 g
• 322.009 g
• 322.0

Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.

• 11 cm
• 11.0 cm
• 11.00 cm
• 11.000 cm

What is the correct answer to: 6.201 cm + 7.4 cm + 0.68 cm +12.0 cm =

• 26.281

• 26.28

• 26.2

• 26.3

What is the correct answer for: 12.00 m +15.001m =

• 27.001

• 27.00

• 27.0

• 27

Calculate 345.009 g - 23.009 g and give your answer with the appropriate number of significant figures.

• 322.00 g
• 322 g
• 322.000 g
• 322

Samples with masses of 0.12 g, 1.8 g, and 0.562 g are mixed together. The combined mass of the three samples, expressed to the correct number of significant figures, should be recorded as

• 2.4 g.

• 2.48 g.

• 2.482 g.

• 2.5 g.

Express the answer using Sig Fig Rules:

202.5 + 100.37 + 75