the number is 18
12 and 18 have three factor pairs.
Pairs with common factors other than 1.
21.2
Yes, twenty three is less than twenty eight.
23.9
3
- 280 1000 Or: negative two hundred and eighty thousandths is three tenths less than twenty thousandths.
Let's see . . . -- "Three tenths" is less than one. -- "Twenty-four and etc." is more than twenty-four. The first one looks like less. The second one looks like more.
12 and 18 have three factor pairs.
12 or 18
24.20-0.3 is 23.9
You calculate 24.020 - 0.3