20 when multiplied by itself equals 400.
20 x 20
A square number is an integer which is the square of some smaller integer. For example, 144 is square because 144 = 12*12 = 12^2 400 is a square number because 400 = 20^2. Anything bigger than 20, when multiplied by itself, will make a square greater than 400. How about 21?
what is a whole number for 400
20 x 20 = 400
4000/10 = 400
The number is 20
The answer is 20.
88,400,000,000
400
20 x 20
400*25 = 10,000
NO. 400 is not prime.400 is a composite number because it is even so definitely it has other factors aside from 1 and itself which is 2.
One acre has 43,560 square feet. Divide the number of square feet by that and you get the number of acres. This gives you an answer of 3.67 acres.
A prime number is divisible only by 1 or itself.
Well, a square number is the answer to a number multiplied by itself. So, what you'd have to do is multiply 20*20, and the answer is 400.
18 and 19
Any number can be multiplied by itself to create a result - in this case, 202 = 20 x 20 = 400.