U.S. GRADE & SUBJECT QUESTION BANKS
Grade 12 science.
2 skills. Questions, hints and worked examples.
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Worked example
For this exercise, 10.0 ± 0.2 cm means an interval from reading minus 0.2 to reading plus 0.2. What is that interval?
Answer & why
Answer: 9.8 to 10.2 cm
10.0 − 0.2 = 9.8 and 10.0 + 0.2 = 10.2.