For each calculation, round your answer to nearest whole number.
What is the efficacy of a 60.0 W incandescent lightbulb that produces 830 lumens?
____lm/W
What is the power of a CFL lightbulb that produces 825 lumens if its efficacy is 63.5 lm/W?
____W
How many lumens does a 11.0 W LED lightbulb exhibit if its efficacy is 72.7 Im/W?
_____lumens