400 + 48 + 49 = 497 (four hundred ninety-seven).
Quatre cent
400 is a significant number because it is a square number as 20*20 = 400
400 is a number
400
There is only one number that equals 400. The number is 400, and it's not a prime number.
The least number that can be rounded to 400 (to the nearest 400) is 200.
No because 400 is a rational number that can be expressed as a fraction in the form of 400/1
what is a whole number for 400
4000/10 = 400
10.5% of 400= 10.5% * 400= 0.105 * 400= 42
I would just call it a "400-digit number".