# Question

The thickness of the numbered pages of a textbook is measured to be 3.75 cm.

(a) If the last page of the book is numbered 860, what is the average thickness of a page?

(b) Repeat the calculation by using order- of- magnitude calculations.

(a) If the last page of the book is numbered 860, what is the average thickness of a page?

(b) Repeat the calculation by using order- of- magnitude calculations.

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