Write the word or phrase that best completes each statement or answers the question.
-If a single pane of glass obliterates 15% of the light passing through it, then the percent P of light that passes through n
successive panes can be approximated by the equation $$P = 100 e ^ { - 0.15 n }$$ How many panes are necessary to block at least 50% of the light?

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The Answer of Write the word or phrase that best completes each statement or answers the question.
-If a single pane of glass obliterates 15% of the light passing through it, then the percent P of light that passes through n
successive panes can be approximated by the equation $$P = 100 e ^ { - 0.15 n }$$ How many panes are necessary to block at least 50% of the light?

Write the Word or Phrase That Best Completes Each Statement P=100e−0.15nP = 100 e ^ { - 0.15 n }P=100e−0.15n

Write the Word or Phrase That Best Completes Each Statement $P = 100 e ^ { - 0.15 n }$