Number Calculation( Week 9 Practice)
1. 64 + 64 + 64 + 64 + 64 + 64 2. If x = 1 and y = -2, what is the value of 3x(4y − 5x) ? 3. P and Q are natural numbers and P + Q = 9. 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 − )(1 − )?