Number Calculation( Week 9 Evaluation) 2. What is the value of |A − B| + |B − A| if A = -4 and B = -18? 3. If S = 4, T = 2 and U = 3, what is the value of S2 − (T − U)2? 4. If x = 5 and y = 6, what is the value of 5x(6y − 5x) ? 5. P and Q are natural numbers and P + Q = 5. What is the largest possible value of + ? 6. What is the product of (1 + )(1 + )(1 + )(1 + )(1 + )(1 + )? 7. What is the product of (1 − )(1 − )(1 − )(1 − )(1 − )(1 − )(1 − )? 8. Deducting a number by and then adding the result by is equivalent to performing which of the following operations on the number? 9. What is the sum of all two-digit numbers that have at least one digit being 4? |