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WorksheetsModule 4.1 Significant Figures (Motivation and Review)
Total questions: 9
Worksheet time: 4mins
What is the estimated mass of planet Earth?
9.11 × 10-31 kg
2.99 ×108 kg
6.02 ×1023 kg
5.97×10²⁴ kg
How hot is the mud spring (a type of hot spring that is formed when sulfuric acid breaks down surrounding rocks due to volcanic heat) in Los Banos?
30°C
80°C
140°C
320°C
How many water molecules are present in a 150. mL glass of water?
5.02 x 1024 water molecules
9.23 x 1034 water molecules
1.45 x 1045 water molecules
4.67 x 1087 water molecules
Provide the precision of the instrument based on a segment of this ruler?
1 mm
1 cm
1 inch
1 ft
Which of the following is an appropriate measurement reading based on a segment of this graduated cylinder?
6.6 mL
6.61 mL
7.0 mL
7.00 mL
Which is the doubtful figure in the measurement reading of 321.9 mm?
0
1
3
9
Which digit is the doubtful figure in the measurement reading of 450 g?
4
5
0
None
With the rules in significant figures in operations, provide the final answer for this operation: 1.00 cm + 14.000 cm?
15.0 cm
15.00 cm
15.000 cm
15.00 cm2
With the rules in significant figures in operations, provide the final answer for this operation: 90.00 g / 3.0 cm3?
30 g/cm3
30. g/cm3
30.0 g/cm3
30.00 g/cm3
