7. Point D is reflected across the x-axis. What are the coordinates of its image?
1 answer:
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The lower bound of the measurement is 65.5 millimetres.
A centimetre equals 10 millimetres, a measure is expressed by the <em>measured</em> magnitude plus uncertainty, the latter one represents the grade of precision of the measure instrument. That is to say:
(1)
Where:
- Measured magnitude, in millimeters.
- Possible magnitude, in millimeters.
- Uncertainty, in millimeters.
If we know that and
, then the lower bound of the measurement is:
The lower bound of the measurement is 65.5 millimeters.
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