Answer 2
If it is already in standard form, just leave it alone!
The terminology varies, but the following example uses the usual names:
1,023 is in standard form.
One thousand twenty-three is in word form.
1000 + 20 + 3 is in expanded form.
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Answer 1
It is like a normal kind if decimal point and but the standard form have to do it as a dot...
It is already in decimal form as 9.2103
It is already in decimal form.
It already is in decimal form.
It is already in decimal form.
It is already in decimal form.
It is already in decimal form.
It is already in decimal form.
It is already in decimal form.
It is already in decimal form.
It is already in decimal form.
It already is in decimal form.
It is already in decimal form.
It is already in decimal form.
It is already in decimal form.
It is already in decimal form as 9.2103
That is the standard form.
since the decimal place is already in the correct spot... 2.83*100