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Coincidental decimal representation?

Algebra Level 3

As shown by the calculators, the first 3 decimal places of $\sqrt{ 79 } - 8$ and $\sqrt{320} - 17$ are both 0.888.

Which is larger?

\sqrt{79} - 8

\sqrt{320} - 17

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Excel in math and science

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by Pi Han Goh

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