Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, the way you wrote the number is the standard form for your example.
2.4
How do write 666 in standard form?
how do you write 0.0005 in standard form
How to write 0.709 i Standard form
It is already in standard form.
That is the standard form!
240,000,000
6 and 240 thousandths as a standard number is 6.240
240 = 2.4 x 102
How do write 666 in standard form?
how do you write 0.0005 in standard form
How to write 0.709 i Standard form
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