You would write it like this 21 or 2.1*10^1.
20,000,000,000,000,000,000,000
That is the standard form.
94,000 is the standard form.
The standard form is 1,200,000
The standard form is 5,050,000
2.0*1021 is already in standard form!
It is 8.021
15,021,000
To write 21 hundred-thousandths in standard form, you first recognize that "hundred-thousandths" is equivalent to dividing by 100,000. Therefore, 21 hundred-thousandths is 21/100,000. In standard form, this would be written as 0.00021.
20,000,000,000,000,000,000,000
How do write 666 in standard form?
To express the number 4,000,000 plus 700 plus 21 in standard form, first add the values together: 4,000,000 + 700 + 21 = 4,000,721. In standard form, this is written as (4.000721 \times 10^6).
It is already in standard form.
That is the standard form!
That IS the standard form.
That is the standard form.
You write 20.7 in standard form as: 2.07 × 101