How do you do a question like this? 80% as a fraction in simplest form.
1 answer:
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Answer:
Step-by-step explanation:
To answer this problem, you break the answer into two parts, one part for the true/false section and another part for the multiple-choice section.
True/False
There are 2 ways to answer each of the 4 true/false questions, T or F.
The number of ways to answer the trur/false section is .
Multiple-Choice
There are 5 ways to answer each question so the number of ways to answer this section is
You can answer the T/F section in 16 ways and the M/C section in 15625 ways, so the entire exam can be answered in
ways!
It's mind-boggling that only 1 of those ways gets a score of 100%!