When a light is On it would represent a value of $1.$ Thus a light Off would represent a value of $0.$ When a light is On it would represent a value of $1.$ Thus a light Off would represent a value of $0.$

Convert $254$ from decimal to an $8$ bit binary representation by selecting all the lights that would be lit $($on$).$

$=128$

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Convert $240$ from decimal to an $8$ bit binary representation by selecting all the lights that would be lit $($on$).$

$=128$

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$=1$