BI-2152
Measuring length
Biology · Secondary 4 · Medium · Measuring length
A student measures the distance moved by a bubble in a potometer three times: 14.0 mm, 15.5 mm and 14.5 mm in 10 minutes each time. What is the mean rate of movement of the bubble?
- 1.47 mm min
- 4.40 mm min
- 0.30 mm min
- 14.7 mm min
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