Answer:
[tex]1.18 \Omega[/tex]
Step-by-step explanation:
The sum of resistances in parallel is:
[tex]R_{tot} = \frac{1}{\frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3}} = \frac{20}{17} = 1.18 \Omega[/tex]
