81 billion is written out as 81,000,000,000. There are nine zeros in one billion, so you can either add nine zeros to 81 or move the decimal point nine places to the right to find your answer. Both methods will give you the same result of 81,000,000,000.
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81*81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
14 billion is written as 14,000,000,000 in numbers.
17.9 billion written out in numbers is 17,900,000,000
10.9 billion is written as 10,900,000,000
11,130,000,000
81*81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
1.52 billion written in numbers is 1,520,000,000
14 billion is written as 14,000,000,000 in numbers.
17.9 billion written out in numbers is 17,900,000,000
1000000000
10.9 billion is written as 10,900,000,000
11,130,000,000
3.8 billion, written out, is 3,800,000,000 or 3800000000 without the commas.
Expressed in figures, this is equal to 7,500,000,000.
52.4 billion pounds
70,800,000,000 ============
One billion U.S. dollars in number form is $1,000,000,000 or $1,000,000,000.00