Question

Explain why n="absmiddle" class="latex-formula"> must be between 9 & 10

Answer 1

$\sqrt{81}=9 \\ \sqrt{100}=10$

The square root of 81 is 9, the square root of 100 is 10. 89 is between 81 and 100, therefore the square root of 89 must be between 9 and 10.