You can write out 32 million by writing thirty-two million or by writing 32,000,000. You can learn to write out large numbers by remembering that a million is the number 1 followed by six zeros.

The number is already rounded to the nearest million so you write it just as in the question. To indicate that it is accurate to the nearest 0.1 million, you could write it as 377.0 million.

To write 2.85 millions you write 2,850,000. The .85 stands for 850,000 (eight-hundred and fifty thousand). It is easier to write 2.85 million than it is to write 2,850,000.