Solve the problem.
-A certain mathematics test consists of 20 questions. Goldie decides to answer the questions without reading them. In how many ways can Goldie fill in the answer sheet if the possible answers are true and false?
A) 1,048,576
B) 190
C) 40
D) 400

Question

Quizplus · Accepted Answer

For each question, Goldie has 2 options (true or false). Since there are 20 questions, the total number of ways to answer is $2^{20} = 1,048,576$.

Solve the Problem. -A Certain Mathematics Test Consists of 20 Questions. Goldie Decides