√7•45•√35

To simplify the expression √7 • 45 • √35, you can combine the numbers outside the square roots and multiply them together.

√7 = 2.65 (approximately) 45 x 2.65 = 119.25 (approximately) √35 = 5.92 (approximately)

So, √7 • 45 • √35 ≈ 119.25 • 5.92 ≈ 705.54

Therefore, the simplified expression is approximately 705.54.