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Two cuboid-shaped metal bars are the same size. They are 12.4 cm long, 5.6 cm wide and 2.5 cm thick.

One bar is iron with a density of 7.9 grams/cm3 and the other is copper with a density of 9.0 grams/cm3.

a Calculate the difference in their masses to the nearest gram.

User JcMaco
by
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1 Answer

7 votes

Answer:

191 grams

Explanation:

12.4×5.6×2.5=173.6

7.9×173.6=1371.44

9.0×173.6=1562.4

1562.4-1371.44=191

User Aheuermann
by
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