Timer
00:00
Answers
A
B
C
D
E
Stats
Difficulty—
Which of the following could be the units digit of \(57^n,\) where \(n\) is a positive integer?
I. \(1\)
II. \(3\)
III. \(9\)
A. I only
B. II only
C. III only
D. I and II only
E. I, II, and III
OA E
I. \(1\)
II. \(3\)
III. \(9\)
A. I only
B. II only
C. III only
D. I and II only
E. I, II, and III
OA E
