The order of magnitude of the background radiation intensity at the end of the radiation-dominated era was 10¹¹ W/m².How long after the big bang did the radiation dominant era end? A)10¹⁰ s B)10¹² s C)10⁹ s D)10¹¹ s E)10¹³ s

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The Answer of The order of magnitude of the background radiation intensity at the end of the radiation-dominated era was 10¹¹ W/m².How long after the big bang did the radiation dominant era end? A)10¹⁰ s B)10¹² s C)10⁹ s D)10¹¹ s E)10¹³ s

The Order of Magnitude of the Background Radiation Intensity at the End