# Scientific Notation with Exponents

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A number written in scientific notation is doubled. Explain why the exponent of 10 may or may not change.

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#### Solution Preview

Well, it depends on the number. In general let's assume that the number is as follow:

a*10^b and we know that in scientific notation "a" should be a real number such that -10< a <10. In other words, "a" is number with single non zero digit to the left of the decimal point. Of course "b" is a whole ...

#### Solution Summary

This explains what happens to a number in scientific notation that is doubled.

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