What best explains why the student is wrong? 21.8 is at the top of the meniscus, but volume should
be measured in the middle of the meniscus.
21.8 is at the top of the meniscus, but volume should
be measured at the bottom of the meniscus.
Since the lines are only marked with whole numbers,
the student must round to a whole number.
Since the whole numbers represent milliliters, the
student must use a unit smaller than milliliters.