5. A MP8 Mack Semi Truck Diesel Engine has the volume of 780 cubic inches
Part A: Which scale model n has the greatest engine volume, a 1:8 scale model or a 1/24
scale model
Part B: How much greater volume does the bigger scale model have?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.