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Q: Is a 400 square number

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400 is a significant number because it is a square number as 20*20 = 400

400 square feet. This is an easy calculation - just multiply the length in feet by the width in feet. The answer is the number of square feet.

Yes, 202 = 400

20*20 = 400

Yes, it is a perfect square.

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?

Yes. 400 is the product of 20 x 20.

20

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.

20 squared is 400.

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.

400 square feet = 400 x 144 = 57600 square inches Number of 60 x 60 square inch in 57600 is 57600/3600 = 576/36 = 16

Any number between 20 and 22.36

If you mean the square root is 20, the answer is 400. If you mean the square root of 20, the answer is about 4.47.

They are 324 and 361 which are both square numbers

There are 44.44... square yards in 400 square feet.

- (400^.5) = -(20) = -20 you just do the square root of the number, and attach the negative in front. and if you ever include the negative inside the square root, you'd have to deal with i, which is an imaginary number that signifies the square root of negative 1.

1 square metre equals 10.76 square feet. The answer can be given by multiplying the number of square metres with 10.76 to get the number of square feet. Therefore the answer is 4304 square feet.

21 and 22

20 x 20 = 400 (square meters).

288

A square with an area of 400 square units has a perimeter of 80 units.

Answer: Umm... i dont know... Well 500 is soo is 400??? OMg -_-""""" From Unknown

400 square meters is 4,305.56 square feet.

Square root of 400 simplified is 20.