Question

Which conversion requires multiplication?

a. Decimeter to meter
b. Meter to Kilometer
c. Kilometer to meter or
d. Milimeter to centimeter

Answer 1

To convert millimeters to centimeters, multiply the given value by the conversion factor, which is 0.1 cm per millimeter.

Step-by-step explanation:

The conversion that requires multiplication is d. Millimeter to centimeter.

To convert millimeters to centimeters, we need to multiply the given value by the conversion factor, which is 0.1 cm per millimeter. For example, if we have 5 millimeters, we can multiply it by 0.1 to get the equivalent value in centimeters: 5 mm * 0.1 = 0.5 cm.

Answer 2

Obviously all conversions need multiplication, here's their answers:
a.

`dm* (1m)/(10dm) = m`
b.

`m * (1km)/(1000m) = km`
c.

`km * (1m)/(0.001km) = m`
d.

`mm * (1cm)/(10mm) = cm`