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It can shorten the expression into a number that can more easily be understood by giving an order of magnitude to the number. For example, would you write 0.00000000000000000045 or would you write 4.5 X10-19.

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12y ago

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It makes large number easier to compare and work with.

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Gusto

Lvl 6
4y ago
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Q: Why is it useful to express a number in scientific notation?
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