Which number is most likely an irrational number?

Your answer is B. The answer is B because the numbers in the decimal are repeating numbers with no pattern. Unlike the rest of the options, they have a pattern to the numbers in the decimal

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.