Respuesta :
A: 150 millimeters because 1 centimeter equals 10 millimeters.
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