1. square numbers

When a natural number is multiplied by itself,the result is a square number. Some examples of square numbers are 1,4,9,16 and 25.

How many square numbers are there between 1,000 and 2000?

31^2 = 961
45^2 = 2025
44-31 = 13 perfect squares between 1000 and 2000

3. Hello, fecoupefe!

When a natural number is multiplied by itself,the result is a square number.
Some examples of square numbers are 1, 4, 9, 16 and 25.

How many square numbers are there between 1,000 and 2000?

Since $\sqrt{1000}\approx 31.62$ and $\sqrt{2000} \approx 44.72$

. . the squares are: . $32^2,\:33^2,\:34^2,\hdots,\:44^2$

There are 13 square numbers between 1000 and 2000.

4. Originally Posted by fecoupefe
When a natural number is multiplied by itself,the result is a square number. Some examples of square numbers are 1,4,9,16 and 25.

How many square numbers are there between 1,000 and 2000?
There are 13 square numbers between 1000 and 2000.

here is why

$\sqrt{1000}~=~31.62277$

$\sqrt{2000}~=~44.721$

so
$44-31~=~13$

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when a counting number is multiplied by itself . the result a square number. how many square numbers are there between 200 and 1000?

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