Stumped by this SAT Math exponent problem? Find the unit digit! This quick guide demystifies finding the unit digit of a large power, a common question in the SAT Math No-Calculator section! Learn the Exponent cycle trick for the base 4 to solve this problem instantly. Master this crucial Algebra skill for an easy point on test day! What is the correct unit digit? Let us know your answer in the comments! Don't forget to Save this post to your SAT prep collection for a quick review! #SATMath #SAT