How many different answer keys are possible for a 10-question multiple-question True-False test?

2^10 = 1024How many different answer keys are possible for a 10-question multiple-question True-False test?
for each question two ways, for every next question another two ways...this happens 10 times


=2*2*2*....10 times


=2^10


=1024How many different answer keys are possible for a 10-question multiple-question True-False test?
10^2 = 100





Have a good day!
uh