What is \( \sqrt{0.49} \) ? Write your answer as a decimal.

The square root of \(0.49\) is \(0.7\). This is because when you multiply \(0.7\) by itself (\(0.7 \times 0.7\)), you get back \(0.49\). It's a nice, neat calculation that often pops up in classrooms when learning about square roots! Did you know that decimals like \(0.49\) are actually perfect squares of certain fractions? For instance, \(0.49\) is the square of \(\frac{7}{10}\) or \(0.7\). This concept can also come handy—especially in statistics or when measuring things—showing how understanding squares and square roots can simplify your calculations and help grasp various mathematical concepts!