I think you should some contributer points for answering your question in your own question. the symbols 4 and 9 is forty nine in numerical form.
If you actually meant 49 in roman numerals, then your answer would be - XLIX
24,540,000 in numerical form or 2.454*107 in standard form
279570
1,200,000
21000000000
3,790,000
0.8,000
49
It is 49.
It is: 7^2 = 49
Expressed in numerical form, this is written 1,250,000.
12 zeroes: 1,000,000,000,000
5.77 million dollars is $5,770,000 written as a number.