Respuesta :
128 possible ways can the student answer the seven questions.
What is combinations?
- Combinations are mathematical operations that count the number of potential configurations for a set of elements when the order of the selection is irrelevant.
- You can choose the components of combos in any order. Permutations and combinations can be mixed up.
We have 7 true-false questions.
Each question can be answered 2 different ways and the answer for one question has no effect on the answer for another.
They are independent events.
So, the number of different ways that 7 questions can be answered is
= 2⁷
= 128 ways
Hence, there are 128 possible ways can the student answer the seven questions.
To know more about combinations check the below link:
https://brainly.com/question/11732255
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