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What do the numbers 1 121 196 169 4 225 and 400 have in common?
They are all perfect squares
What is the only perfect number between 400 and 600?
496
How many squares in 20 by 20?
20 squares x 20 squares = 400 squares
What are perfect squares between 500 and 600?
They are: 529 and 576
What are the numbers from 101-400 that are perfect squares?
501
What are the perfect squares of 1 and 20?
1 and 400.
Which is a perfect square 400 900 2400?
400 and 900 are squares of 20 and 30, respectively.
What are the perfect squares of the whole number from 16 to 20?
16 => 256 17 => 289 18 => 324 19 => 361 20 => 400
What do the numbers 1 121 196 169 4 225 and 400 have in common?
They are all perfect squares
Are radical expressions irrational?
If the value applied in the radical is not a perfect square, it is irrational. 25; 400; and 625 are perfect squares and are rational when applied in a radical.
What is the only perfect number between 400 and 600?
496
Ralph likes 25 but not 24 he likes 400 but not 300 he likes 144 but not 145?
Ralph likes numbers that are perfect squares but not numbers that are one less than a perfect square. Perfect squares are numbers that can be expressed as the product of an integer multiplied by itself (e.g. 25 = 5 x 5, 400 = 20 x 20, 144 = 12 x 12). Numbers that are one less than a perfect square do not fit this pattern (e.g. 24, 300, 145). Ralph's preference seems to be for the neat, symmetric nature of perfect squares.
How many squares in 20 by 20?
20 squares x 20 squares = 400 squares
John likes 400 but not 300 he likes 100 but not 99 he likes 3600 but not 3700 Which does he like?
John likes numbers that are perfect squares. 400 is 20 squared, 100 is 10 squared, and 3600 is 60 squared. He doesn't like 300, 99, or 3700 because they are not perfect squares. So, there you have it, John has a thing for those perfect squares!
What is a number you can square that is bigger than 300 but smaller than 400?
361 squares evenly to 19.
What number has the most factors between 0 and 400?
360
Which number has exactly 15 factors?
it is 400 the numbers that go in it are 1,2,4,5,8,10,20,40,50,80,100,200,400
