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Mathematics
OpenStudy (anonymous):

what is (7.4x10^-9 ) x (5x 10^-3) symplified in scientific notation?

OpenStudy (anonymous):

asked already? multiply \[7.4\times 5\] then add the exponents \[-9+-3\]

OpenStudy (anonymous):

you get \[37\times 10^{-12}\] but it is not in scientific notation now, because \[37>10\] so you have to replace 37 by 3.7 and make the answer \[3.7\times 10^{-11}\]

OpenStudy (anonymous):

3.5x10^-11is what ithought but that was not a choice.

OpenStudy (anonymous):

the number out front should be 3.7

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