To make it shorter for computational purposes. One sympol (i.e. 3) is much quicker to write and it takes up less space than spelling it out 5 characters. Fyi.. decimal numbers are based on arabic symbols. People used Roman numerals for a while (and some still do), but the Arabic system was much more efficient.
You just did. Numerically, it is 3.9
Expressed numerically, this is equal to 3/4.
Ten lakh is written out numerically as 10,00,000.
A core is not a number and so cannot be written numerically. A crore, on the other hand, is 10,000,000
Six billion three hundred four million can be numerically written as 6,304,000,000.
1,000,000
10004
$3,000,000,000
$3,000.00
Either 1,000,000,000,000 or 1012.
1,680,000
350,000