Number Calculation( Week 9 Practice)
1. 65 + 65 + 65 + 65 + 65 + 65 2. If x = 5 and y = 8, what is the value of 5x(3y − 2x) ? 3. P and Q are natural numbers and P + Q = 13. What is the largest possible value of + ? 4. What is the product of (1 + )(1 + )(1 + )(1 + )(1 + )? 5. What is the product of (1 − )(1 − )(1 − )(1 − )(1 − )?