Question
Convert each textbook quantity into the unit requested.(a) A men's long-jump record listed as 29 ft 4¼ in.: express it in meters.(b) An ocean depth of about 6.5 mi: express it in kilometers.(c) Oregon's listed area, 96,981 mi²: express it in square kilometers.(d) One gill, defined here as exactly 4 oz of volume: express it in milliliters.(e) An estimated ocean volume of 330,000,000 mi³: express it in cubic kilometers.(f) A car with mass 3525 lb: express its mass in kilograms.(g) An egg with mass 2.3 oz: express its mass in grams.
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All seven subparts of OpenStax Chemistry 2e Exercise 1.76 are answered using the supplied numbers. References to a long-jump record, Oregon, and ocean size are textbook givens, not assertions about current records or current measurements. The chapter uses U.S. liquid units and avoirdupois mass units; the ambiguous “oz” in the volume subpart is explained as a fluid ounce. Calculations retain modern defined conversion factors rather than prematurely rounded table entries. The ocean-volume input does not uniquely specify significant figures, so both the calculation and an explicitly conditional two-significant-figure result are supplied.