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If a length is measured as 25.0 cm, what is the uncertainty in this measurement?
If a length is measured as 25.0 cm, what is the uncertainty in this measurement?
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Practice Questions
1 question
Q1
If a length is measured as 25.0 cm, what is the uncertainty in this measurement?
0.1 cm
0.01 cm
1 cm
0.5 cm
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The uncertainty is 0.1 cm, as the last digit is in the tenths place.
Questions & Step-by-step Solutions
1 item
Q
Q: If a length is measured as 25.0 cm, what is the uncertainty in this measurement?
Solution:
The uncertainty is 0.1 cm, as the last digit is in the tenths place.
Steps: 4
Show Steps
Step 1: Look at the measurement given, which is 25.0 cm.
Step 2: Identify the last digit in the measurement, which is '0'.
Step 3: Determine the place value of the last digit. Here, '0' is in the tenths place (0.1 cm).
Step 4: The uncertainty is typically taken as the value of the last digit, which is 0.1 cm.
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