Which number is not in scientific notation? 9 x 10^19 7.8 x 10^6 1.45 x 10^-7 0.33 x 10^-15

asked Jan 23, 2017 92.7k views

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Answer:

please tell me the answer i need it thank you

Explanation:

Shyam Kumar answered Jan 25, 2017

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1.45 x 10^-7 isn't in scientific notation because if it's negative, the decimal starts before the first real number, right?

Mark Thomson answered Jan 27, 2017

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