SOLUTION: Several layers of plastic are stacked together.Each layer reduces the light passing through it by 5%(percent).How many layers of plastic are needed to reduce the intensity to only

Question 376080: Several layers of plastic are stacked together.Each layer reduces the light passing through it by 5%(percent).How many layers of plastic are needed to reduce the intensity to only 1% of the original light.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

or approximately,

Round up to

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