For Exercises 46 to 50, determine whether the argument is an example of in- ductive or deductive reasoning.

46. All Mark Twain novels are worth reading. The Adventures of Tom Sawyer
is a Mark Twain novel. Therefore, The Adventures of Tom Sawyer is worth
reading

49. I have enjoyed each of Tom Clancy's novels. Therefore, I know that I will
like his next novel.

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.