Start by loading the library and data.

library(dslabs)
data(murders)

Use the match function to identify the states with abbreviations AK, MI, and IA. Store your result in matches.

Hint: start by defining an index of the entries of murders$abb that match the three abbreviations, then use the [ operator to extract the states.

Note: Keep the order of the abbrevations as AK, MI and IA in order to get the correct evaluation.