A multiple-choice test has 10 questions. each question has 4 choices A, B, C, and D. How many ways can the test be answered?
- SumDudeLv 71 month ago
ONE, by the person who studies and gets every question correct.
- Iggy RockoLv 71 month ago
# of permuatations = 4^10 = 1048576
- TomVLv 71 month ago
The first question can be answered in one of 4 ways. Likewise the second question can be answered in one of 4 ways. So there are 4*4 = 4² ways the first two questions can be answered.
Extend that to all 10 questions and there are a total of 4¹⁰ = 1048576 different sets of answers to the test.
- Mark IXLv 71 month ago