A home uses ten 100-watt lightbulbs for five hours per day.Approximately how many kilowatt-hours of electrical energy are consumed in one year by using the lightbulbs? A 365 B 1,825 C square 5,000 D 10,500 E 365.00 o

To solve this problem, we need to calculate the total electrical energy consumed by the lightbulbs in one year.<br /><br />Given information:<br />- The home uses 10 lightbulbs, each with a power of 100 watts.<br />- The lightbulbs are used for 5 hours per day.<br />- We need to find the total electrical energy consumed in one year.<br /><br />Step 1: Calculate the total power of the lightbulbs.<br />Total power = Number of lightbulbs × Power of each lightbulb<br />Total power = 10 × 100 watts = 1,000 watts<br /><br />Step 2: Calculate the daily energy consumption.<br />Daily energy consumption = Total power × Time used per day<br />Daily energy consumption = 1,000 watts × 5 hours = 5,000 watt-hours<br /><br />Step 3: Calculate the annual energy consumption.<br />Annual energy consumption = Daily energy consumption × Number of days in a year<br />Annual energy consumption = 5,000 watt-hours × 365 days = 1,825,000 watt-hours<br /><br />Step 4: Convert the annual energy consumption to kilowatt-hours.<br />1 kilowatt-hour (kWh) = 1,000 watt-hours<br />Annual energy consumption in kWh = 1,825,000 watt-hours ÷ 1,000 = 1,825 kWh<br /><br />Therefore, the correct answer is B) 1,825 kilowatt-hours.