Question

What would -63020000 in scientific notation be?

Answer 1

The answer is: -6.302 * 10⁷ .
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Answer 2

Just count the digits (exclude first digit which is '6')

There are 7 so you have ??? × 10⁷

Now put the period right after leading digit ('6') and remove trailing zero:

Final answer: -6.302 × 10⁷

Hope this helps.