A copper wire has mass 9.7 grams per centimeter of length. Find the mass, in kilograms, of a 90 meter long spool of this wire. Do not round.

Question

A copper wire has mass 9.7 grams per centimeter of length.  Find the mass, in kilograms, of a 90 meter long spool of this wire.  Do not round.

Lauren H. · Accepted Answer

9.7 g/ cm  x  100 cm/m  x 90m  x 1kg/1000 g  = 87.3 kg

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