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OpenStudy (sepeario):
Five light bulbs sit in a row, all connected to a battery. If some lights are turned on and off, how many possible ways are there for the lights to be on or off?
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OpenStudy (sepeario):
How do I work this out?
OpenStudy (zarkon):
how many possibilities do you have for each bulb?
OpenStudy (sepeario):
You can turn them on and off.
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