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Aim: How can we convert units?

Aim: How can we convert units?. Do Now: Calculate the following with the correct number of significant figures: (2.53 x 10 6 ) (6 x 10 4 ) 5 x 10 -2. Answer: 3 x 10 12. Conversions. Convert 5.2 cm to m Know your conversion factor 1 cm = 1/100 m or

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Aim: How can we convert units?

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  1. Aim: How can we convert units? Do Now: Calculate the following with the correct number of significant figures: (2.53 x 106) (6 x 104) 5 x 10-2 Answer: 3 x 1012

  2. Conversions • Convert 5.2 cm to m • Know your conversion factor • 1 cm = 1/100 m • or • 1 m = 100 cm • Hint: The larger number gets paired with the smaller unit • 2. Write out your given and follow it with times and a fraction bar • 5.2 cm x ______________________

  3. 3. Place your conversion factor into the fraction bar in such a way that you cancel out the original unit 5.2 cm x 1/100 mor 5.2 cm x 1 m 1 cm 100 cm 4. Solve 0.052 m

  4. Multiple Step Conversions • A method of converting from one prefix to another • Convert 5.30 km to mm x 1000 mm 1 m 5.3 km x 1000 m 1 km = 5.3 x 106 mm

  5. Problems • Convert: • 10.2 mm to m • 342 g to kg • 5000 m to km • 5.2 kg to g • 10,500 cm to m • 10 m to km • 250 mL to L • 2 km to cm • 10 kg to μg • 5 kg to mg 0.0102 m 0.342 kg 5 km 5,200 g 105 m 0.01 km 0.25 L 200,000 cm 10,000,000,000 μg 5,000,000 mg

  6. Pages for Additional Reading • Page 20 (again)

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