Consider a weighted voting system with 24 players. (a) Find the total number of coalitions in this weighted voting system.
(b) Find the number of coalitions with two or more players.
(a) The total number of coalitions is a
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(b) The number of coalitions with two or more players is

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.