Math and Arithmetic
Scientific Notation

# How do you write out 2.80 billion in numerical form?

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It is: 2,800,000,000 or as 2.8*10^9 in scientific notation

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## Related Questions 280% as an improper fraction in its simplest form is 14/5    You cannot because 280 is an integer. It is neither a fraction nor a mixed number.  It is simply 280/1 as an improper or 'top heavy' fraction 280 billion / 8 million = 28*109/(8*106) = (28/8)*103 = 7/2*1000 = 7*500 = 3500    280 million can also be written as 2.8*108 or 2.8E8. Any integer can be written over 1. 280/1  To find the number that is 15% of 280, multiply 280 by 0.15 (the equalent of 15% in decimal form). The answer is 42. It is a room whose sides are sqrt(280) units long. One Billion, Two Hundred Eighty Million.    280 kilometers / 4 hours = 280/4 kilometers per hour = 70 kilometers per hour  30% off of 280= 30% discount applied to 280= 280 - (30% * 280)= 280 - (0.30 * 280)= 280 - 84= 196  The population of the United States in 2002 was 280 million people. The total world population in 2002 was 6.28 billion people.

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