Problem 159 of 7
Compare two counting strategies for the same problem: number of subsets of a set with 4 elements.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
verify equivalent counts.
Hidden until you reveal it.
Strategies must count the same outcome space consistently.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Describe the outcome space for each strategy.
2. Show how each strategy counts the same event.
3. Confirm the expressions are equivalent or identify mismatch.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Comparing counts with different outcome spaces.