Gloria is going beach hopping. She is planning to visit four of the following beaches
Ocean City, Rehoboth Beach, Bethany Beach, Dewey Beach, Fenwick Island and
Assateague. How many ways can she do this? What is the probability of her visiting the
beaches in alphabetical order?
Enter number of ways, then probability. Round the probability to 4 decimal places.
rogram_Planning ...docx
pen file
o
Ê
$
-
$

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.