Scientific Notation
Significant Figures
Sig Fig Rules
Metric System
100

1 x 105

100,000

100

145

3 Significant Figures 

100

T/F: All nonzero digits are considered significant 

True 

100

What is the metric symbol for picojoule? 

pJ

200

500 

5 x 102

200

100 

1 Significant Figure

200

T/F Leading zeros are considered significant 

False

200

What is the metric symbol for milliliters?

mL

300

0.00447

4.47 x 10-3

300

101.02

5 Significant Figures 

300

Are trailing zeros following a decimal point significant? 

Yes 

300

What is the metric symbol for megagrams?

Mg

400

45,000,000

4.5 x 107

400

0.080200

5 Significant Figures 

400

What is the correct answer with the correct amount of significant figures? 

10.4528 x 2.21 = ?

23.1 

400

Convert 50,000 milligrams to grams

50 grams

500

0.00000123

1.23 x 10-6

500

3000.

4 Significant Figures 

500

What is the correct answer with the correct amount of significant figures? 

5.5 + 40.016 = ?

45.5

500

Convert 4.5 x 10-8 kiloliters to milliliters

0.0458 milliliter 

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