How long is 4 cm on a ruler?

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asked Nov 26, 2020 in Mathematics by JianpingYu (580 points)
How long is 4 cm on a ruler?

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answered Nov 27, 2020 by 123devon (8,950 points)
4 cm on a ruler is equal to 40 millimeters on the ruler.

Every cm is equal to 10 millimeters.

Each centimeter is equal to 10 millimeters, so if your object measures 4 centimeters long, that's equivalent to 4 × 10 = 40 millimeters. Often, your measurement in millimeters will fall between centimeter marks on the ruler.

Also there are 2.54 cm in every inch of measurement.

And in 4 cm there are 1.5748 inches in the 4 cm.

A centimeter (cm) is a decimal fraction of the meter, the International System of Units (SI) unit of length, approximately equivalent to 39.37 inches.

In 1 foot there are 30.48 cm and in 2 feet there are 60.96 cm.

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