9, 18, 27
36, 72, 108
126, 252 and 378.
36, 72, 108.
They are: 36, 72, 108.
36, 72, 108
90, 180, 270
63, 126, 189.
The first two multiples are 9 and 8.
What about them?
Eighteen thousand, nine hundred and eighty eight, point nine, nine, zero, zero, three. Alternatively: Eighteen thousand, nine hundred and eighty eight, and ninety nine thousand and three hundred thousandths.
1422, 1431, 1440