Given E° (Al3+|Al) = -1.66V and E° (Ag+|Ag) = .80V, calculate the overall cell potential when the two half-cells are connected.

My answer:

E°cell = E°(cathode) - E°(anode)
E°cell = .80 + 1.66 = 2.46

Is this correct?

That's right.

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