Last Page of a Book Is Numbered 814 and the Book

last page of a book is numbered 814 and the book is $3.00 \mathrm{~cm}$ thick. What is the average thickness of each page?

A) $2.54 \times 10^{3} \mathrm{~cm}$
B) $2.54 \times 10^{-3} \mathrm{~cm}$
C) $3.92 \times 10^{-3} \mathrm{~cm}$
D) $7.37 \times 10^{-3} \mathrm{~cm}$