A researcher studied the Monday 12 pm prices of different grades of gas at a single gas station over eight weeks. The researchers findings are given in the table below. Which of the following is NOT a statement of causation

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.