Number Calculation( Week 9 Practice)
2. If x = 1 and y = 4, what is the value of 5x(5y − 6x) ? 3. P and Q are natural numbers and P + Q = 11. What is the largest possible value of + ? 4. What is the product of (1 + )(1 + )(1 + )? 5. What is the product of (1 − )(1 − )(1 − )(1 − )(1 − )(1 − )?