To take the square root of a fraction, break the fraction into two separate roots then calculate the square root of the numerator and denominator separately. For example, \(\sqrt{9 \over 16}\) = \({\sqrt{9}} \over {\sqrt{16}}\) = \({3 \over 4}\)
What is \( \sqrt{\frac{64}{81}} \)?
| 3 | |
| \(\frac{6}{7}\) | |
| \(\frac{8}{9}\) | |
| \(\frac{5}{7}\) |