A positive integer n is a perfect square it n=m^2 for some positive integer m. Between 1&300, how many numbers are perfect squares?
回答 (3)
1^2 = 1
17^2 = 289
18^2 = 324
Therefore, there are 17 perfect squares between 1 and 300.
not counting 1 there are 16 since 17² = 289
Easiest way to do this is to find the square root of 300 and round down. => 17
To check 17² = 289 and 18² = 324
收錄日期: 2021-04-24 00:57:53
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