# 55315737-11 - MasteringPhysics Assignment Print View Page 1...

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MasteringPhysics: Assignment Print View Page 2 of 33 Part B Suppose that, from measurements in a microscope, you determine that a certain bacterium covers an area of meters. Hint B.1 Find the conversion factor Hint not displayed . Convert this to square Express your answer in square meters. ANSWER: 1.50 = 1.50×10−12 Correct As with areas, you must be careful when converting between volumes. For volumes, you must cancel off three copies of whatever unit you are converting from. Part C Suppose that you find the volume of all the oceans to be in a reference book. To find the mass, you can use the density of water, also found in this reference book, but first you must convert the volume to cubic meters. What is this volume in cubic meters? Hint C.1 Find the conversion factor Hint not displayed Express your answer in cubic meters. ANSWER: = 1.40×1018 Correct
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55315737-11 - MasteringPhysics Assignment Print View Page 1...

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