Significant Figures Part 4 HW

Subtract. Use significant figures. 45.800 - 31

• 14.8

• 14.800

• 15

• 15.000

Solve. Round using SigFig math rules.

12.5 mL + 20.05 mL + 2.69 mL

• 35 mL

• 35.2 mL

• 35.24 mL

• 35.240 mL

• 7.360 s

• 7.36 s

• 7.35 s

• 7.352 s

• 7.350 s

• 41.3 m

• 41.2085 m

• 41.285 m

• 41.2 m

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
24.567 + 0.04478 =

• 24.61178
• 24.612
• 24.611
• 24.61

• 41.3 m

• 41.2085 m

• 41.285 m

• 41.2 m

• 7.360 s

• 7.36 s

• 7.35 s

• 7.352 s

• 7.350 s

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

What is the correct answer using significant figures?

1.4 g + 3.1907 g =

• 4.5907

• 4.591

• 4.59

• 4.6

• 5

What is the correct answer according to significant figure rules

1102.45 sec - 0.0057 sec

• 1102.4443 sec

• 1100 sec

• 1102.44 sec

• 1102.45 sec