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SI UNITS

SI UNITS . and CONVERSION CALCULATIONS. Table 1: SI Base Units. Table 2: Prefixes. QUESTION : 2.65 kg = _______ g ANSWER: 2.65 kg X 1000 g = 2650 g 1kg Numerator (kg) and Denominator (kg) units cancel to leave grams (g)! OR -- move decimal three places to the right.

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SI UNITS

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  1. SI UNITS and CONVERSION CALCULATIONS CAFarrer 2013

  2. Table 1: SI Base Units CAFarrer 2013

  3. Table 2: Prefixes CAFarrer 2013

  4. QUESTION : 2.65 kg = _______ g ANSWER: 2.65 kg X 1000 g = 2650 g 1kg Numerator (kg) and Denominator (kg) units cancel to leave grams (g)! OR -- move decimal three places to the right Metric to Metric Conversions CAFarrer 2013

  5. Ex. 167 cm = __________ m • 5347 L = __________ mL • 48 mg = __________ g • 0.645 cm = __________ mm • 789 mL = __________ L • 4370 g = __________ kg • 9677 mL = ___________ mL TRY THESE! (USE THE RATIO FOR DIMENSIONAL ANALYSIS!!) SEE SLIDES # 3 AND 4) CAFarrer 2013

  6. 167 cm X 1 m / 100 cm = 1.67m • 5347 L X 1000 mL/ 1L =5.347mL • 48 mg X 1 g/ 1000 mg = 0.048 g • 0.645 cm X 1 m / 100 cm X 1000 mm/ 1 m = 6.45 mm • 789 mL X 1 L / 1000 mL= 0.789 L • 4370 g X 1 kg / 1000 g = 4.370 kg • 9677 mL X 1 L / 1000000 mL X 1000 mL/ 1 L = 9.677 mL TRY THESE! - ANSWERS! CAFarrer 2013

  7. TABLE 3: SELECTED SI EXPRESSIONS WITH SI UNITS AND SYMBOLS CAFarrer 2013

  8. Table 4: Metric To English CAFarrer 2013

  9. Table 5: English to Metric CAFarrer 2013

  10. 525 cm = __________ in • 645 mL = __________ tsp • 330 g = __________ lbs • 50 mi = __________ km • 56 gal X = __________ L • 345 oz = __________ g Conversion Calculations – TRY THESE!! CAFarrer 2013

  11. 525 cm X 1 in / 2.54 cm = 206.7 in • 645 mL X 1tsp/ 5 mL = 129 tsp • 330 g X 1 kg/ 1000 g X 2.2lbs/ 1 kg = 0.15 lbs • 50 mi X 0.6 km / mi = 30 km • 56 gal x 3.785 L / gal = 212 L • 345 ozX 28.4 g / oz = 9798 g Conversion Calculations ANSWERS!! CAFarrer 2013

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