SAT Math Practice Question #28576 - SATify | SATify

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SAT Math Practice Question #28576 - SATify | SATify

#28576

number theory

factorials

medium

90 sec

What is the tens digit in the sum $1! + 2! + 3! + \dots + 100!$ ?

A.

1

B.

3

C.

5

D.

7

E.

9