In how many different ways can a 10 question true-false test be answered if every question must be answered?

Check out this website, it will give you how to write the formula out.In how many different ways can a 10 question true-false test be answered if every question must be answered?
2^10 = 1024.


Each question can be answered 2 ways, so


the total number of ways is 2*2* *2(10 times) = 1024.