The way you wrote it is the standard notation. Standard notation means to write the number in its standard form. So, a number such as 150 is simply written as 150 in standard notation. The same applies to decimals.
How do write 666 in standard form?
432,000,016,000
It is already in standard form.
That is the standard form!
You write 6.11 in standard form as 6.11 × 100
How do write 666 in standard form?
432,000,016,000
Do you mean “expanded form“ because that would be 400+30+2
432 and 67/100
It is already in standard form.
That is the standard form.
That is the standard form!
That IS the standard form.
You write 83,539,131 in standard form as 8.3539131 × 107
You write 7.54103 in standard form as 7.54103 × 100
You write 6.11 in standard form as 6.11 × 100
You write 20.7 in standard form as: 2.07 × 101