8. \( 9-4 \times 5 \) 9. \( 2+6 \div 3 \) 10. \( \frac{-11}{4} \) \( \frac{7-7 \div 2}{} \) 11. \( 2 \times 3^{2} \) 12. \( 8+2 \times 3+4 \) 13. \( 12-10 \div 2-1 \) 12 \( 14.10-(3+2)^{2} \) 14. 10

Calculate the value by following steps: - step0: Calculate: \(2+\frac{6}{3}\) - step1: Divide the terms: \(2+2\) - step2: Add the numbers: \(4\) Calculate or simplify the expression \( 7-7/2 \). Calculate the value by following steps: - step0: Calculate: \(7-\frac{7}{2}\) - step1: Reduce fractions to a common denominator: \(\frac{7\times 2}{2}-\frac{7}{2}\) - step2: Transform the expression: \(\frac{7\times 2-7}{2}\) - step3: Multiply the numbers: \(\frac{14-7}{2}\) - step4: Subtract the numbers: \(\frac{7}{2}\) Calculate or simplify the expression \( 10 \). Numbers by following steps: - step0: Solution: \(10\) Calculate or simplify the expression \( 9-4*5 \). Calculate the value by following steps: - step0: Calculate: \(9-4\times 5\) - step1: Multiply the numbers: \(9-20\) - step2: Subtract the numbers: \(-11\) Calculate or simplify the expression \( -11/4 \). Calculate the value by following steps: - step0: Calculate: \(\frac{-11}{4}\) - step1: Rewrite the fraction: \(-\frac{11}{4}\) Calculate or simplify the expression \( 8+2*3+4 \). Calculate the value by following steps: - step0: Calculate: \(8+2\times 3+4\) - step1: Multiply the numbers: \(8+6+4\) - step2: Add the numbers: \(18\) Calculate or simplify the expression \( 12-10/2-1 \). Calculate the value by following steps: - step0: Calculate: \(12-\frac{10}{2}-1\) - step1: Divide the terms: \(12-5-1\) - step2: Subtract the numbers: \(6\) Calculate or simplify the expression \( 2*3^2 \). Calculate the value by following steps: - step0: Calculate: \(2\times 3^{2}\) - step1: Evaluate the power: \(2\times 9\) - step2: Multiply: \(18\) Calculate or simplify the expression \( 14.10-(3+2)^2 \). Calculate the value by following steps: - step0: Calculate: \(14.1-\left(3+2\right)^{2}\) - step1: Add the numbers: \(14.1-5^{2}\) - step2: Evaluate the power: \(14.1-25\) - step3: Subtract the numbers: \(-10.9\) Here are the detailed solutions for each of the calculations: 8. **Calculate \( 9 - 4 \times 5 \)**: - First, perform the multiplication: \( 4 \times 5 = 20 \). - Then, subtract: \( 9 - 20 = -11 \). - **Result**: \(-11\) 9. **Calculate \( 2 + 6 \div 3 \)**: - First, perform the division: \( 6 \div 3 = 2 \). - Then, add: \( 2 + 2 = 4 \). - **Result**: \(4\) 10. **Calculate \( \frac{-11}{4} \)**: - This is already in its simplest form. - **Result**: \(-\frac{11}{4}\) or \(-2.75\) 11. **Calculate \( 2 \times 3^{2} \)**: - First, calculate the exponent: \( 3^{2} = 9 \). - Then, multiply: \( 2 \times 9 = 18 \). - **Result**: \(18\) 12. **Calculate \( 8 + 2 \times 3 + 4 \)**: - First, perform the multiplication: \( 2 \times 3 = 6 \). - Then, add: \( 8 + 6 + 4 = 18 \). - **Result**: \(18\) 13. **Calculate \( 12 - 10 \div 2 - 1 \)**: - First, perform the division: \( 10 \div 2 = 5 \). - Then, subtract: \( 12 - 5 - 1 = 6 \). - **Result**: \(6\) 14. **Calculate \( 14.10 - (3 + 2)^{2} \)**: - First, calculate the expression inside the parentheses: \( 3 + 2 = 5 \). - Then, calculate the exponent: \( 5^{2} = 25 \). - Finally, subtract: \( 14.10 - 25 = -10.90 \). - **Result**: \(-10.90\) 15. **The number \( 10 \)**: - This is already in its simplest form. - **Result**: \(10\) If you have any further questions or need additional calculations, feel free to ask!