Q5 If x^3y^4=5,000, is y=5? (1)y is a positive integer. (2)x is an integer. 答案为什么是 c 而不是b Q10 The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of the actual area of the square region is A.36.00 sq cm B.35.00 sq cm C.33.75 sq cm D.30.25 sq cm E.25.00 sq cm 答案为什么是 c 而不是d 诚恳求教 | 
