Why are five hundreds and three ones written as 503 - how do I explain?

*August 24, 2009, 6:55 pm by Guest*

We use a place value system. hundreds/tens/ones, therefore the 5 is in the hundreds place. The zero is holding a place for the tens place value and the three is in the ones place. That's why it is written as 503.

*August 30, 2009, 11:37 am by Guest*

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