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Pre-Algebra 19 Online
OpenStudy (anonymous):

Which of the following expressions is 0.00012 written in scientific notation? 1.2 × 10 -4 .12 × 10 -3 1.2 × 10 4 12 × 10 -5

OpenStudy (kewlgeek555):

Well, since it is a number with a value less than 1, you know that it is going to have a negative exponent. You should also now that the "12" turned into "1.2" So the answe is A.

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