√7•45•√35

To simplify the expression √7•45•√35, we can first simplify the values under each square root symbol:

√7 = 2.65 (approximately) √35 = 5.92 (approximately)

Now, we can substitute these values back into the expression:

2.65 • 45 • 5.92 = 689.4 (approximately)

So, √7•45•√35 simplifies to approximately 689.4.