The mass of one meter of wire is 86g. What is the mass of 7m of wire?

Since the mass of one meter of wire is 86 g, we find how much a wire with a length of 7 m, 21 m, 84 m will weigh.To do this, we multiply the length of the wire by the weight of one meter:
86 * 7 = 602,
21 * 86 = 1806,
84 * 86 = 7224.
Answer: 7 meters of wire weighs 602 grams, 21 meters of wire weighs 1806 grams, 84 meters of wire weighs 7224 grams.

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