Well it is due to the fact that when you
submerge
the wooden block into the cylinder. The displacement of water from the initial-measurement (before the block was submerge) to finial-measurement will be the volume of wooden block.
Note: In cases of floating objects. You can always add a sinker to it to submerge the object.
But
you will need to take into account the volume of the sinker and minus off the added volume of sinker.
C. 3.2ml is the measurement made using this cylinder contains the correct number of significant digits.
A graduated cylinder is a measuring cylinder or mixing cylinder is a common piece of laboratory equipment used to measure the volume of a liquid.
If you look at a 10mL graduated cylinder, for example, the smallest graduation is tenth of a milliliter (0.1mL).
That means when you read the volume, you can estimate to the hundredths place (0.01mL).
Use the bottom of the meniscus to determine the volume in the 10mL graduated cylinder.
Therefore,
3.2ml is measurement made using this cylinder contains the correct number of significant digits.
Learn more about Graduated cylinder here:
https://brainly.com/question/26173436
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