Adding & Subtracting Sig Figs

Solve: 3.12 g + 0.8 g + 1.033 g =

• 4.953 g
• 4.9 g
• 5.0 g
• 5 g

Subtract: 7.987 m - 0.54 m =

• 7.447 m
• 7.45 m
• 7.4 m
• 7.5 m

When performing the calculation 34.530 g + 12.1 g + 1 222.34 g, the final answer must have

• Only one decimal place
• Units of g³
• Three significant figures
• Three decimal places

Solve: 13.004 m + 3.09 m + 112.947 m =

• 129.0 m
• 129 m
• 129.04 m
• 129.041 m

Add the following three numbers and report your answer using significant figures: 2.5 cm + 0.50 cm + 0.055 cm =

• 3.06 cm
• 3.1 cm
• 3.0 cm
• 3 cm

Subtract the following numbers and report your answer using significant figures: 416 g - 210 g =

• 206 g
• 210. g
• 210 g
• 200 g

Add the following values: 3.461728 + 14.91 + 0.980001 + 5.2631 =

• 25
• 24.61
• 24.614
• 24.615

Subtract the following values: 22.101 - 0.9307 =

• 21.1703
• 21.170
• 21.17
• 21.2

Subtract the following values: 564,321 - 264,321 =

• 300,000.
• 300,000
• 300,001
• 299,999

Add the following values:
23.1 + 4.77 + 125.39 + 3.581 =

• 157
• 156.8
• 156.841
• 156.84