0.49 = 49/100
72 = 49 = 4.9*101
49 = 4.9 × 101
$49,000,000.00
It is: 49,000,000
49,000,999
You cannot wright it. However, you can write it as 4.9*10-5
1457 = 1*72 + 4*7 + 5 = 1*49 + 4*7 + 5 = 49 + 28 + 5 = 82
In today's notation of Roman numerals 49 is given as XLIX. But the Romans themselves would have probably notated 49 as IL because it's a simplification of XXXXVIIII.
49 = 4.9 × 101
49 can be written as 4.90 × 101
49% of 12 million= 49% * 12000000= 0.49 * 12000000= 5,880,000