3.5 Measurements made in the science lab must be as accurate as possible. Ravi measured the length of
an iron rod as 19.34 cm: Kamal's measurement was 19.25 cm; and Tabish's measurement was 1927
cm. The correct length was 19.33 cm. What was the difference between the actual and measured
lengths in each student's case?
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adithisatheesh2155
The actual length of the iron rod = 19.33 cm
Ravi measured = 19.34 cm
Error = measured value - actual value
= 19.34 - 19.33 = 0.01 cm
Kamal measured = 19.25 cm
Error = 19.25 - 19.33
= -0.08 cm
Tabish measured = 19.27 cm
Error = 19.27 - 19.33
= -0.06 cm
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