9. At home, a laptop can consume 50-watts per hour when its being used. How many kwh does it consume if it is used for 8 hours in a day?

a. 300 kwh

C. 400 kwh

b. 500kwh

d. 600 kWh

10.Rhea recorded her family's water consumption for three months. The initial
reading was 7193 m². The next readings were 7228 m3, 7310 m3, and 7421 m3.What is their average monthly consumption?

a. 73 m3

C. 76 m3

b. 74 m3

d. 75 m3​