Final answer:
To evaluate the expression 2/3², first square the number in the denominator, 3² = 9, then write the expression as a fraction over the simplified denominator: 2/9.
Step-by-step explanation:
Evaluating expressions involves finding the numerical value of an algebraic expression for a specific set of values assigned to the variables.
To evaluate the expression 2/3², we need to simplify it. First, square the number in the denominator, 3² = 3 * 3 = 9. Then, write the expression as a fraction over the simplified denominator: 2/9. So, the answer is 2/9.