6688 resident 16 square miles area what is the population density

How many time that 6688 could into 16 which is 418

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.

Ibelieve it's a. 2.2 - x = -10.85 (plz tell me if it's right : ) )