Question

4. In a stack there are 5 books each of thickness 20mm and 5 paper sheets each of thickness 0.016 mm. What is the total thickness of the stack.​

Answer 1

Answer:

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Total number of books in the stack=5

thickness =20mm

Total thickness of the book =20×5=100

Total number of paper =5

thickness of the paper =0.016mm

Total thickness of the paper =5×0.016=0.080

Total thickness of the stack =100+0.080=100.080=1.0008×102mm