A student is calculating the thickness of a single sheet of paper. She measures the thickness of a stack of 80 sheets with vernier callipers, and finds the thickness to be l=1.27cm. To calculate the thickness of a single sheet, she divides the total thickness with the number of sheets. Which of the following answer has the correct number of significant digits?
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Answers
Answered by
5
Answer:
0.159 is the correct answer ........
Answered by
13
Answer:
Heya Here's the answer mate
If L is the thickness of one one sheet, then assuming that every sheet is equally thick,
- L =l/80 cm = 0.015875 cm.
- And ΔL=Δl/|80|
- Assuming Δl=0.01 cm,
we get
- ΔL=0.000125 cm.
So, the actual thickness is L=0.0159±0.0001 cm.
Hope it helps dear
Answered by
38
Answer:
Heya Here's the answer mate
If L is the thickness of one one sheet, then assuming that every sheet is equally thick,
- L =l/80 cm = 0.015875 cm.
- And ΔL=Δl/|80|
- Assuming Δl=0.01 cm,
we get
- ΔL=0.000125 cm.
So, the actual thickness is L=0.0159±0.0001 cm.
Hope it helps dear
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