Think Globally, Act Locally, Succeed Exponentially
(This is one of a series of GMAT tips that we offer on our blog.)
As mentioned previously in this space, the GMAT’s quantitative section is increasingly emphasizing problem solving skills over calculation abilities, and often does so in the form of “Number Properties” questions. The authors of the exam are also quite adept at recognizing “mathematical psychology”, and creating questions that increase an examinee’s anxiety by enough to make that process of problem solving a bit more difficult. One of the major themes that arises as a result is the use of exponents, which carry with them a number of properties extremely useful to the writers of the GMAT.