4 600 000 000 = 4.6*109 in standard form.
You would write it as 1,060,000
One million in number form is 1,000,000
80,000,000 is 80 million in number form.
19.8 million in number form is 19,800,000
4.6 billion years.
4 600 000 000 = 4.6*109 in standard form.
42,700,000
5,400,000
19,900,000
2.51 million written in number form is 2,510,000
You would write it as 1,060,000
28 million in number form is written as 28,000,000. This is because each comma represents a grouping of three digits, starting from the right. The first comma after the 28 indicates thousands, the second indicates millions, and so on.
One million in number form is 1,000,000
80,000,000 is 80 million in number form.
19.8 million in number form is 19,800,000
378.8 million in number form is 378,800,000