Find the probability of each event. A test consists of eleven true/false questions. A student who forgot to study guesses randomly on every question. What is the probability that the student answers exactly eight questions correctly?

I'm just guessing, but my answer would c. 0 to 300.

When i did the math i got 11 cm

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.