$26.60
Question 20 (5 points)
In 1990, the population of Boston, Massachusetts was 574,283. In 2000, the population was 589,141. What is the
percent of change in population? Round your answer to the nearest tenth, if necessary.
2.5%
2.6%
-2.6%
97.5%

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.

The answer is “faster”.