Change to the indicated unit using unit fractions and using the metric conversion chart. a) 1.4 L to milliliters b) 250 mL to liters Solution a) Unit fractions: We are given liters and want to convert to milliliters. Use the relationship 1000 mL 1 L 1.4 L 1000 mL 1 L 1.4 L 1 1000 mL 1 L Divide out the unit of liters. 1400 mL 1 Multiply. 1400 mL Simplify. So, 1.4 L 1400 mL. Metric Conversion Chart: Start at L on the metric conversion chart. To change from L to mL, we move three places to the right. Therefore, move the decimal point three places to the right. 1.4 L 1400. ml Put in zeros as placeholders. Move the decimal point three places to the right. Therefore, 1.4 L 1400 mL. b) Unit fractions: We are given milliliters and want to convert to liters. Use the relationship 1000 mL 1 L 250 mL 1 L 1000 mL 250 mL 1 1 L 1000 mL Divide out the unit of milliliters. 250 L 1000 Multiply. 0.250 L Simplify. So, 250 mL 0.250 L or 0.25 L. Metric Conversion Chart: Start at mL on the metric conversion chart. Move three places to the left to get from mL to L. Move the decimal point three places to the left. 250. mL .250 L Put the decimal point at Move the decimal point the end of the number. three places to the left. 250 mL 0.250 L or 0.25 L EXAMPLE 2 You can use the same procedures that you have already learned in Section 7.2! YOU TRY 2 Change to the indicated unit using unit fractions and using the metric conversion chart. a) 120 mL to liters b) 3.7 L to milliliters 458 CHAPTER 7 Measurement and Conversion www.mhhe.com/messersmith
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