CHAPTER 01—FRACTIONS
3. Round off values BEFORE doing a calculation. Rounding off a value makes it much easier and faster to do the problems. Why? ... 1 mile 5280 feet 5000 feet. 1 yard 0.9144 meter 1 meter. 1 foot 30.48 cm 30 cm. 1 pound 453.6 g 500 g. 1 hour 3600 seconds 4000 seconds. ... 10 How many cubic centimeters of oxygen (STP) are transported during a year ... ................
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