clairekim718 clairekim718

01-12-2021
Mathematics

contestada

A 12-in. steel cable weighs 0.428 lb. How much does 12.8 ft. weigh?

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sqdancefan sqdancefan

01-12-2021

Answer:

5.48 lb

Step-by-step explanation:

12 inches is 1 foot.

12.8 times that length will have 12.8 times that weight:

12.8 · 0.428 lb = 5.4784 lb ≈ 5.48 lb

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The given values have 3 significant figures, so the answer needs to be rounded to 3 significant figures.

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