the highest one is 20x20 =400
all you have to do is find the answers to from 1x1 to 19x19 that is only 19 little calculations
good luck
All whole numbers between 1 and 400 (=20 square).
324 and 389
160,000
the awnswer is 1,4,16,and...
Answer: Umm... i dont know... Well 500 is soo is 400??? OMg -_-""""" From Unknown
300
They are: 324, 361 and 400 inclusive
All whole numbers between 1 and 400 (=20 square).
They are: 529 and 576
324 and 389
160,000
There is more than one perfect square between 100 and 1000! All the perfect squares between those two numbers: 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 900 and 961.
400 and 900 are squares of 20 and 30, respectively.
501
Yes, they are.
the awnswer is 1,4,16,and...
There are 22 numbers between 400 and 600 that are divisible by nine.