problem01_57

problem01_57 - c(1 acre-foot 29 gal 10 26 3 ft 1 gal 477 7...

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1.57: a) The area of one acre is , mi mi mi 2 640 1 80 1 8 1 = × so there are 640 acres to a square mile. b) ( 29 2 2 2 ft 560 , 43 mi 1 ft 5280 acre 640 mi 1 acre 1 = × × (all of the above conversions are exact).
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Unformatted text preview: c) (1 acre-foot) ( 29 gal, 10 26 . 3 ft 1 gal 477 . 7 ft 560 , 43 5 3 3 × = × = which is rounded to three significant figures....
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