What value of Vce would you expect if the base terminal of a transistor were open?

If the base terminal of a transistor is open, the transistor will be in an off state, meaning it is not conducting. In this condition, the collector-emitter voltage (Vce) would be expected to be approximately equal to the supply voltage, as there is no current flow through the collector-emitter path. Hence, Vce would be close to the maximum supply voltage applied to the collector.