Calculate: √(29.8116) + √(77.44) =

Calculate the square root of: [(0.081 / 0.0064) × (0.484 / 6.25) × (2.5 / 12.1)]

Evaluate: (8⁻¹ − 9⁻¹)⁻¹ ÷ (4⁻¹ − 9⁻¹)⁻¹ =

Evaluate: [(2.1)³ + (5.8)³] / [(2.1)² - 2.1 × 5.8 + (5.8)²] =

Evaluate: [(6.73)³ - (4.38)³] / [(6.73)² + 6.73 × 4.38 + (4.38)²] =

Evaluate: √(12.0409) - √(1.2544) =