So you studied your butt off, confidently made your way to the testing center, and stood toe-to-toe with the GMAT. Perhaps you felt that your answer selections were the great, or perhaps you recognized that you were losing your way. Either way, when the total score flashed on the screen at the end of the […]
Raising to a power is iterated multiplication. Luckily, you can find your units digit with a simple multiplication pattern, even when you’re working with large powers. (For a refresh of the multiplication rules for unit digits, see our post on difficult units digits.) See how you do with this question: What is the units digit […]
