Reference no: EM131251489

Exercise 1: Review Questions

Part A
What is the standard SI base unit of length?
1 km
1 m
1 N
1 mm
1 hr

Part B
What is the standard SI base unit of mass?
1 in
1 m
1 kg
1 K
1 g

Part C
What is the standard SI base unit of time?
1 min
1 day
1 km
1 hr
1 s

Part D
What is the standard SI base unit of temperature?
1 K
1 s
1 °F
1 kg
1 Å

Exercise 2: Problems by Topic - Density

A supposedly gold nugget is tested to determine its density. It is found to displace 19.3 mL of water and has a mass of 371 grams.

Part A
Could the nugget be made of gold?
yes
no

Exercise 3: Problems by Topic - The Reliability of a Measurement and Significant Figures

How many significant figures are in each of the following numbers?

Part A
0.0053 s
2
4
5
ambiguous

Part B
312,000 s
1
3
6
ambiguous

Part C
3.12×105km
1
2
3
ambiguous

Part D
13,127 s
2
3
5
ambiguous

Part E
2000
1
2
4
ambiguous

Exercise 4: Problems by Topic - Units in Measurement

Express the quantity 255074 m in each of the following.

Part A
km
Express your answer using six significant figures.
255074 m =

Part B
Mm
Express your answer using six significant figures.
255074 m =

Part C
mm
Express your answer using six significant figures.
255074 m =

Part D
cm
Express your answer using six significant figures.
255074 m =