4775%÷777√8119×66

To solve the expression \( 4775\% \div 777 \sqrt{8119} \times 66 \), we can break it down step by step. 1. **Convert Percentage to Decimal:** \[ 4775\% = \frac{4775}{100} = 47.75 \] 2. **Calculate \( \sqrt{8119} \):** \[ \sqrt{8119} \approx 90.2 \text{ (using a calculator)} \] 3. **Now, substitute back into the expression:** \[ 47.75 \div (777 \times 90.2) \times 66 \] 4. **Calculate \( 777 \times 90.2 \):** \[ 777 \times 90.2 \approx 70000.54 \] 5. **Now substituting back into the expression:** \[ 47.75 \div 70000.54 \times 66 \] 6. **Calculate \( 47.75 \div 70000.54 \):** \[ 47.75 \div 70000.54 \approx 0.000681 \] 7. **Finally, multiply by 66:** \[ 0.000681 \times 66 \approx 0.045 \] So the final result of the expression \( 4775\% \div 777 \sqrt{8119} \times 66 \) is approximately **0.045**.