B. -2/9
flip the -3 and make it 1/3 and then multiply
Answer:
make a whole retangle then do the length times the width on both then add together
Step-by-step explanation:
60 W = 0.06 kW
Lifetime = 0.06 kW * 190 h = 11.4 kWh
The lifetime of the bulb is 11.4 kWh, or kilowatt-hours