Convert 4km into centimetere

Well, consider that 1 kilometer is 100,000... Now, you do the math. This was an easy question easily converted by Google here

CalculateMe.com - Convert Kilometers to Centimeters (http://www.calculateme.com/Length/Kilometers/ToCentimeters.htm)

J-9:

1 kilometer is 100,000 what? Meatballs?

My $0.02 below

k=multiply by 1000

OK

100 cm/1m

k = * 1000

1 m / 100 cm

4 = 4

Now, you can do the math.

Oh, KISS, guess I should get some sleep prior to answering math questions... Been up over 20 hours. I digress, you are correct.