There is only one integer between these two numbers which contains both the digits 7 & 4.
It is 347.
300.7479, 301.7479, 325.2547351613272312539
470, for one.
650
49 zeros [leading zeros are not used like 001, 002, etc.] This does not include the two zeros in 300 (since the question stated between). So if 300 is included, then 51 zero digits.
4,300,000,000,000
300.7479, 301.7479, 325.2547351613272312539
289
470, for one.
822
There can't be a prime number that has a square root because the square root would be a factor of the number.
304.7? 307.4? 322.4567? Or did you simply mean 347?
300, 600 and 900.
315
It is: 3 which represents 300
This number could be 120 or 240.
There are 33 numbers between 200 and 300 that are divisible by three.
650