Do you think the rider in the above figure is really in danger? What If people below were removed?

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Could someone me find the answer to this problem.