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Mathematics 14 Online
OpenStudy (anonymous):

How many places to the left should the decimal point be moved to write 7.2 × 10-9 in standard form? 7 8 9 10

OpenStudy (dumbcow):

the decimal should be moved the same number as exponent ..in this case 9 times

OpenStudy (dumbcow):

if exponent was positive 9, then you would move it to Right 9 times

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