How to convert 15 cm into mm:
15cm=150mm reason:from the number 15 you move 3 spaces frome the one.
Step 1: Pretend deres a decimal point before da one in fifteen..... .15
step 2: Move da decimal point three places to da right... .15= .150
step 3: Erase da decimal
15cm=150mm reason:from the number 15 you move 3 spaces frome the one.
Step 1: Pretend deres a decimal point before da one in fifteen..... .15
step 2: Move da decimal point three places to da right... .15= .150
step 3: Erase da decimal