To write 0.00000038 in standard form, you express it as a number between 1 and 10 multiplied by a power of ten. In this case, you move the decimal point to the right until it is after the first non-zero digit, giving you 3.8. Since you moved the decimal point 7 places to the right, you write it as (3.8 \times 10^{-7}).
That IS the standard form.
You write 20.7 in standard form as: 2.07 × 101
Write in standard form 378.72
Standard form simply means to write the number: 3,000,296,556
You write one hundred and one hundredth in standard form as 1.0001 × 102
How do write 666 in 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 20.7 in standard form as: 2.07 × 101
You write 6.11 in standard form as 6.11 × 100
You write 7.54103 in standard form as 7.54103 × 100
You write 83,539,131 in standard form as 8.3539131 × 107
Write in standard form 378.72
Standard form simply means to write the number: 3,000,296,556
0.9 that is how you write nine-tenths in standard form