Away to write numbers by using the digits 0-9, with each digit havin a place value
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Standard Form is a way to write numbers by using the digits 0-9, with each digit having a place value.

This way is the common way we usually use to write numbers. Other ways include the written form and the expanded form.

Take 100 as an example:
Standard form : 100
Written form : one hundred
Expanded form :  50 + 30 + 20