By approximately what factor did the Universe expand between 10⁻⁴³ and 10⁻³³ seconds after the Big Bang,according to present models?

Name: By approximately what factor did the Universe expand between 10⁻⁴³ and 10⁻³³ seconds after the Big Bang,according to present models?
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According to present models, the Universe expanded by a factor of approximately 10^50 between 10^-43 and 10^-33 seconds after the Big Bang. Choice C, 10^50, is the closest option to this value.

By Approximately What Factor Did the Universe Expand Between 10⁻⁴³