1.0 × 109
1000000000+50000000
1
3,000,000
You write it as 10, exactly as in the question.
One billion is written as 1,000,000,000 in numerical form. In words, it is written as "one billion." This is because each group of three zeros in the numerical form corresponds to a specific term such as thousand, million, billion, etc.
.1000000000
1.0 × 109
1000000000+50000000
87
1
3,000,000
You write it as 10, exactly as in the question.
3.857142857 in fraction form = 3857142857/1000000000 3.857142857 * 1000000000/1000000000 = 3857142857/1000000000
9,000,000
125,000,000
1,000,000