How many significant figures?

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Question 1

What is 44.5 g expressed to 2 significant figures?

44g

0.044 Kg

45 g

4.5x10⁴ mg

Question 2

What is 1267.2 m expressed to 2 significant figures?

1.3 Km

1300 m

1.3 km

13 km

Question 3

What is 1267.2 m expressed to 1 significant figure? There two different ways that you can do this. Pick one.

1 Km

0.001 Mm

1000 m

1x10^-6 Gm

Question 4

How would you report the width of this vice?

40.0 mm

40 mm

39.57 mm

39 mm

Question 5

How would you report the value of the “Force Feedback” on the screen shown below?

400 N

0.4 kN

0.39 kN

0.394 kN

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