Given a= {1,3,5,7,9} b={2,4,6,8,10} c={1,5,6,7,9}
a n b =
1) empty set
2) 1,2

He gained 60,900 dollars for that land

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.