SAT Math Practice Question #3202 - SATify | SATify

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SAT Math Practice Question #3202 - SATify | SATify

#3202

number theory

medium

75 sec

What is the units digit of $2 9^{23} + 4 9^{40}$ ?

A.

0

B.

1

C.

2

D.

8

E.

9