30 points and brainliest! plz hurry
which statement about converting metric units of measurement is true? use the metric table to answer the question.
a. to find the number of hectometers in 87 centimeters, move the decimal point 4 units to the left.

b. to find the number of meters in 9,382 centimeters, move the decimal point 2 units to the right.

c. to find the number of kilometers in 6.39 decimeters, move the decimal point 3 units to the left.

d. to find the number of dekameters in 18 kilometers, move the decimal point 3 units to the right.