Added: 1 year ago
From: khanacademy
Views: 62,019
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  • So why didn't you multiply 462 by 100 to come to your answer like you did with the first 2? Why did the method change?

    I understand it would equal to 46200, and it would be wrong. But If it cant be used for the hundreds, why use it this method? Is this a part of the formula? Or is this just a technique/method of laying down the answer/info? If it is just a method, then wheres the real formula?

  • I have a way to tell what a number is,you move three spaces back from the end of the number and put a comma and then do it again if it allows you until you get to the end.so 384567990 <<< that just looks like a bunch of numbers but if you write like this 384,567,990 it becomes 384 million,567 thousand,9 hundred and 90.

  • I'm surprised you didn't multiply 462 by 1 as well... lol

  • I wish I had $645 million dollars. It always helped me in math to think of it as money.

  • i love that you explain your thought-process! This is gold!

  • thats a big number :)

    wrong vid, I was looking for the "Potential energy stored in a spring" video

    but nice number though....

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