Six hundred thousand.
.600 = six tenths
One hundred forty-nine million, six hundred thousand
use smaller words more often and rearrange your sentences so more words would be needed to explain what you are trying to say.
600 billion.
Seiscientos (say-si-EN-tos).
Seiscientos.
six cent
2
600
mil seiscientos
A fire cat 600 , or as we say F6 . Goes 101 MpH .