All exponents are simple squares or cubes of single digit numbers. The order of these operations states which operations take precedence are taken care of before which other operations. Elementary and middle school students generally use the acronyms PEMDAS or BEDMAS to help them remember the order in which they complete multi-operation questions.
Evaluating Numerical Expressions with Exponents.
Order of Operations with Exponents. The reason Sal divided first was because it made the problem easier to solve because 5 times 9 is easier than 5 times 819. Now for the E in PEMDAS. Simplify all operations inside parentheses.