12.7 billion rounded to the nearest 10 billion would be 13 billion.
5.7 billion rounded to the nearest 1 billion would be 6 billion.
10.7 billion rounded to the nearest 10 billion would be 11 billion.
11.7 billion rounded to the nearest 10 billion would be 12 billion.
7.7 billion rounded to the nearest 1 billion would be 8 billion.
6.9 billion rounded to the nearest 1 billion would be 7 billion.
1,934,057,262 rounded to the nearest billions place is two billion (2,000,000,000).
2 875 000 000 rounded to the nearest billion is 3 billion.
22,558,000,000 rounded to the nearest billions is 23,000,000,000
4,878,208,492 rounded to the nearest billions is 5,000,000,000
27,578,684,000 rounded to the nearest tenth of a billion is 27,600,000,000
121195999979 = 121195999980 (rounded to the nearest ten) 100000000000 (rounded to the nearest hundred billion)