## GMAT Practice Question Set #48 (Question 142-144)

Problem Solving Question #142: Units Digit of Exponents
 Time 0 0 : 0 0 : 0 0
 What is the units digit of the expression 14^7 -18^4 ? (A) 0 (B) 3 (C) 4 (D) 6 (E) 8
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