In how many ways can a 10 question true/false exam be answered?

assume that no questions are omitted





thanks :)In how many ways can a 10 question true/false exam be answered?
1,024 ways.In how many ways can a 10 question true/false exam be answered?
20


10 questions X 2 options
There are two possible choices for each answer. Therefore, the number of ways that the exam can be answered is 2^10.
2^10