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  • 22-08-2017
  • Mathematics
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the last time the lower 48 states saw a total solar eclipse was 1979. how many years ago was that in scientific notation?

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Аноним Аноним
  • 29-08-2017
The last time (before August 21, 2017) when the lower 48 states saw a total solar eclipse was 1979.

That was 2017 - 1979 = 38 years ago.

In scientific notation,
38 = 3.8 x 10¹

Answer:  3.8 x 10¹ years ago.

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