-1
0.87
80 + n^2
3.4
2n+5
The number 7 is written as seven.
6
-1
Seven.
0.87
7n+5
7,000,000
Well, honey, writing seven and seven-thousandths in decimals is as easy as pie. You just write it as 7.007. It's like balancing your checkbook, simple and straightforward. No need to make it more complicated than it needs to be, darling.
40 + x
80 + n^2
3.4
2n+5