Mrs. Sue please help!

A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point)
1 over 4096
1 over 144
one over twenty four
1over14

6 answers

what is .5^12 ?

Put this in your google search engine
1/.5^12=

that number is how many possible ways there is to choose 12 times.
so a is the answer?
Isn't that what the Google calculator showed you?
yes, it is, a is the right answer.
thank you so so so so sosososo much
MS SUE HELP ME