Advantages and disadvantages of using sampling to reduce the number of data objects that need to be displayed. would simple random sampling (without replacement) be a good approach to sampling? why or why not?

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?