How to read out numbers with scientific notation?

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I apologize about my question which seems too easy to be a question. I'm unable to find anywhere that shows how to say numbers in scientific notation. Seems like every video I see with people talking about scientific notation, they refer to it as "this number" rather than reading it aloud verbally.

For my presentation, I have a number that I'd like to read/say

6.634e+15

I was wondering how I would verbally say this number? Would 6.634 times 10 to the power of 15 be correct?

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2 Answers

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Say "six point six three four times ten to the fifteenth".

If this is the amount of some quantity with a metric name you can say

"six point six three four petawhatevers"

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I would say that as long as it is understandable it is okay,

You can say

6.634 times 10 to the 10

6.634 times 10 to the power of 10

Or anything along those lines.

You can also use the Metric perfix way:

6.634 peta

Or

6634 tera

And if it is in context even

6.634 p

Or

6634 t

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