How do you write $123456789$ in scientific notation?

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Answer 1 · 2015-10-28T00:02:01

$1.23456789xx10^8$

Move the decimal to the left 8 places so that the decimal is after the $1$ . Multiply times $10^8$ .

$1.23456789xx10^8$

How do you write 123456789 123456789 in scientific notation?