Question

How do you write 3+0.3+0.009 word form and in standard form and expanded form

Answer 1

The standard form of this value is 3.309
The word form for this value is three, three tenths and nine thousandths
Take note that in decimals there are no ones, the position starts immediately with tenths, hundredths, thousandths and so on. Also notice –th in every abbreviated word used.
The expanded form for this value is 3. 000 0. 300 0. 009 Which in summation is 3. 309