Как на английском языке написать полностью цифры 12,756.3 km,
4.5-4.6 billion, 509,600,000 km2, 71%(land 29%), 149,573,000 km? Заранее спасибо.

twelve thousand seven hundred fifty six point three kilometersfour point five - four point six billionfive hundred and nine million six hundred thousand square kilometersseventy one percent (land twenty nine percent)one hundred forty nine million five hundred seventy three thousand kilometers