500
No. 122 + 162 = 400 = 202 so 12, 16, 20 would be a Pythagorean triple, but 12, 16, 18 would not.
400 mph
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
The smallest number that can be rounded off to 400 is 350, as any number from 350 to 399.99 will round to 400. Conversely, the greatest number that can be rounded off to 400 is 449.99, since numbers from 400 to 449.99 will also round to 400.
10.5% of 400= 10.5% * 400= 0.105 * 400= 42
20*20 = 400