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Current time:0:00Total duration:2:37

CCSS.Math:

what I want to do in this video is convert this amount of kilometers into meters and centimeters so we will first start with the two kilometers and I encourage you to now pause this video and try to do this on your own well the one thing that we know is that a kilometer literally means 1,000 meters so you could literally view this as two two times 1,000 meters let me write that down so this is going to be equal to two times 1,000 meters which is equal to 2,000 meters if we wanted to convert the 11 kilometers into meters was the same thing 11 kilometers this right over here means 1,000 meters so you could think of it as 11 times 1,000 meters so 11 times 1,000 is going to be 11,000 meters now let's convert these distances into centimeters and here we just have to remember that one meter is equal to 100 centimeters let me write that down one meter is equal to 100 centimeters and that's because the prefix centi means one hundredth another way you could write it is that one centimeter is equal to 100 one hundredth of a meter but here we have a certain number of meters and each of those meters are going to be equivalent to 100 centimeters so we could write if we wanted to write 2,000 meters as centimeters we could say well we have 2,000 meters each of those are going to be equivalent to 100 centimeters and so this is going to be equal to 2,000 times 100 well that's going to be 2 and since we're we have the 3 zeros from the 2,000 and then every time you multiply by 10 you're going to add another 0 or you're going to have another 0 at the end of it and we're going to be at multiplying by 100 is equal to adding by 10 or multiplying by 10 twice so we're going to have two more zeros so this is going to be 200,000 centimeters now let's do the same thing right over here with the kilometers or there with the 11 kilometers which are 11,000 meters and once again I encourage you to the video and try to convert into centimeters well same idea you have eleven thousand meters eleven thousand meters and each of them are equivalent to 100 centimeters so this is going to be 11 and let's see we have one two three four five zeroes one two three four five zeroes so this gets us to 1 million 100,000 centimeters