Solve Equation( Week 6 Practice) 3. Let * be the operation on the set of integers defined by m*n = (m + 1)(n − 1). What is 5*(7*8)? 4. If R is a positive number and R4 = 10, then R6 = 5. Which of the following statement is true for the set of the numbers: 1, 4, 4, 5, 6? |