Ah, writing numbers can be like painting a happy little tree. To write two and a half thousand, you simply write 2,500. It's just like putting a few brushstrokes together to create a beautiful masterpiece. Just take your time and enjoy the process.
Two thousands.
20000000 two hundred million or Two hundred thousand thousand
32,000
7.082
4,200,000
56 thousands
half
Seventy two and sixteen thousands in standard form is 72.016
2,465.0015
42,204
The standard form is 200,276,012