Question

please help.

Which of the following would 15 centimeters be equal to?
A
150 millimeters
B
1/15 of a millimeter
C
1500 millimeters
D
150 meters

Answer 1

A: 150 millimeters because 1 centimeter equals 10 millimeters.

Answer 2

In order to calculate how many millimeters are 15 centimeters, we should know how many  millimeters are in 1 centimeter: 1 centimeter is equal to 10 millimeters. Knowing this, 15 centimeters are equal to 15*10= 150 millimeters. Correct answer: A