A 64 Ω resistor, an 7.4 uF capacitor, and a 38 mH inductor are connected in series in an ac circuit.
Part A: Find the impedance for a source frequency of 300 Hertz. Express your answer to two significant figures and include the appropriate units.
Part B: Determine the impedance for a source frequency of 30.0 kHz. Express your answer to two significant figures and include the appropriate units.