What is the current (in A) passing through resistor 3 in the circuit if V = 12 V, R1 = 18 Q, R2 = 6 Q, and R3 = 3 Q? Give your answer as only the numerical value in the Sl units specified. e is interpreted as x10^ for use with large or small values; 1.01e2 is interpreted as 1.01 x 102. R3

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