How do you write 83,406,000 in scientific notation?

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Answer 1 · 2018-03-02T05:00:29

#83,406,000. = 8.3406 xx10^7#

Scientific notation uses powers of #10#

It is written in the form #a xx 10^n# where #a# is a number between #1 and 10# and #n# is an integer.

The decimal point is at the end of the number.

#83,406,000.#

Move it to left until there is only ONE digit in front of it
(this will be the #8#)

Count how many places it moved.
That is the index of #10#

#83,406,000. = 8.3406 xx10^7#