PLEASE help?!

A bag holds 3 blue marbles, 5 red marbles, and 2 green marbles. Find the probability of choosing a red marble and then a green marble with replacement.
A. 1/10
B. 1/2
C. 1/9
D. 1/5

PLEASE helpA bag holds 3 blue marbles 5 red marbles and 2 green marbles Find the probability of choosing a red marble and then a green marble with replacement A class=

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I think it is B. But I am not sure.
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