PLease hurry! Standard form of
4.4 x 10^ -4
standard form of
6.39 x10^5
Standard form of
3.02 x 10^9

Hello again!

The answer to the first one is:

0.00044

The second one is:

639,000

And the last one is:

3,020,000,000

Step-by-step explanation:

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only 10/60 isn't equivalent

hope this : )