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1. 91 + 42 and 42 / 91 are examples of arithmetic ________________. 2. 93 - 2 = 91 and 7 * 13 = 91 are called _____________. 3. Write the integer 91 as a fraction. 4. Write the reciprocal of the fraction 91/182. 5. Evaluate: 91 ÷ 0 6. Evaluate: 91^0 7. Write 91^3 as a multiplication expression. 8. Evaluate: (-1)^2 9. Evaluate: 3^3 * (2 + 4) / 2 + 10 10. Evaluate: 45.5(n) when n = 2 11. Evaluate: -3^2 12. Evaluate: -3 - -5 * -2 / -2 13. Briefly explain how to add two fractions. 14. Briefly explain how to multiply two fractions. 15. Briefly explain how to divide one fraction by another fraction. 16. Write 91% as a reduced fraction. 17. What is 91% of 91? 18. No or Yes: 91 = 9 * 10^2 + 1 * 10^1 + 0 * 10^0 19. Evaluate: sqrt(16) 20. Evaluate: 5(4)(3)(2)(1) 21. Round 91.919191 to nearest whole number, tenth, hundredth, thousandth.