If the energy conversion efficiencies in a 3 step process are 30% for the first step, 40% for the second, and 20% for the third, the overall efficiency (step one to end) is about:
A) 2%
B) 10%
C) 20%
D) 50%
E) 90%

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The Answer of If the energy conversion efficiencies in a 3 step process are 30% for the first step, 40% for the second, and 20% for the third, the overall efficiency (step one to end) is about:
A) 2%
B) 10%
C) 20%
D) 50%
E) 90%

If the Energy Conversion Efficiencies in a 3 Step Process