math

A steel post is 6 ft. long and 6" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to the nearest pound)?

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asked by Becky
  1. V = 3.14 * 0.75 * 6

    V = 14.13 cubic feet

    14.13 * 490 = 6,924 lbs.

  2. Correct answer is 577 pounds.

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    posted by Jamie

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