Answer:2=2, 5=2+3, 6=2x3, 4=2² It goes about 300,000,000 meters (three hundred million meters) in 1 Second in vacuum, so the speed of light is about 300,000,000 meters per second.3²=3x3, c²=cxc, 30²=30x30E=20 x c² 20 x 300,000,000 x 300,000,000 = 1,800,000,000,000,000,000
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