2.3 billion is written: 2,300,000,000
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∙ 15y ago1,000,000,000 = 1 billion.
2000000000
18,400,000,000
to write seven billion in roman numerals you have to put 7000000000
8,000,000,000
1,000,000,000 = 1 billion.
It is: 23 = XXIII as a Roman numeral
1,200,000,000
2000000000
18,400,000,000
to write seven billion in roman numerals you have to put 7000000000
8,000,000,000
Like this ==> 1,500,000,000
If the numeral is 123, the answer is 123.00 If the numeral is 1(blank)23, the answer is 1.23 If the numeral is 1023, the answer is 1023.00.
The number 1 billion can be written as the Roman numeral [M] with a horizontal bar above it (which I can't write with my keyboard).
one billion has nine zeros, so seven billion would be:7,000,000,000
23 in Roman numerals is XXIII.