If each fission reaction in a nuclear reactor emits three neutrons, how many neutrons are produced from three fission reactions?
Answer
A
one
B
three
C
six
D
nine
Explanation
Each fission reaction emits 3 neutrons. For 3 reactions, multiply 3 neutrons per reaction by 3 reactions: 3 × 3 = 9 neutrons. The correct choice is nine.
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