An Ordinary Sheet of Paper Is About a Tenth of a Millimeter

question 64

Multiple Choice

An ordinary sheet of paper is about a tenth of a millimeter thick. Find an exponential formula that gives the thickness, T, in millimeters after n folds.

• A)T = 0.1 × 2ⁿ
• B)T = 0.1 × 4ⁿ
• C)T = 0.2 × (0.5)ⁿ
• D)T = 0.1 × (0.5)ⁿ

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