SAT Math Practice Question #28063 - SATify | SATify

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SAT Math Practice Question #28063 - SATify | SATify

#28063

number theory

algebra

medium

90 sec

Let $k = 1 3^{13} + 1 7^{17}$ . What is the units digit of $k^{2} + 4^{k}$ ?

A.

0

B.

2

C.

4

D.

6

E.

8