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Mathematics 9 Online
OpenStudy (stuck-help):

simplified from in scientific notation equation in comments

OpenStudy (stuck-help):

\[3\times10^{8}\div4.2\times10^{7}\]

OpenStudy (stuck-help):

@satellite73

OpenStudy (anonymous):

divide \(3\) by \(4.2\) and subtract the exponents

OpenStudy (stuck-help):

is it \[7.1\div10^{14}\]

OpenStudy (anonymous):

then there is one more step

OpenStudy (anonymous):

no

OpenStudy (stuck-help):

\[7.1\div10^{1}\]

OpenStudy (stuck-help):

\[10^{0}\]

OpenStudy (anonymous):

how many decimal places are you supposed to keep?

OpenStudy (stuck-help):

\[0.71\div10^{1}\] one decimal place

OpenStudy (anonymous):

no \[.71\times 10^1\] or \[7.1\]

OpenStudy (stuck-help):

? how would it be 0.71 or 7.1

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