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How many terms of the sequence $\sqrt{1},\sqrt{2},\sqrt{3},\sqrt{4},\ldots$ are less than or equal to $20$?

 Feb 19, 2022
 #1
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\(\sqrt{400} = 20\)

 

Every number from 1 - 400, so \(\color{brown}\boxed{400}\) integers

 Feb 19, 2022

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