Answer :
1 meter = 100 centimeter
so 4.2 meter = 100 x 4.2 centimeters
4.2 x 100 = 420
So 4.2 meters = 420 centimeter
so 4.2 meter = 100 x 4.2 centimeters
4.2 x 100 = 420
So 4.2 meters = 420 centimeter