Question 289751
 ln 800-ln 350/ 0.03 
how do I put this in calculator, to find answer
ln 800-ln 350/ 0.03

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Your post allows three interpretations:
1st: (ln800-ln350)/0.03 = 27.55595....
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2nd: ln800 -[ln350]/[0.03] = -188.5798..
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3rd: ln800 - [ln350/0.03] = -2.67987...
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Be careful to use the parentheses properly.
Cheers,
Stan H.