1 meter
Yes, the markings on your 50 mL beaker would be accurate enough to use for precise meansurement of volumes. The markings on a 50 mL Erlenmeyer flask would also be accurate enough.
What determines how precise a measurement is
The measurement that is accurate is one that is precise. These are also commonly titled accurate measurements in the books.
No. Accurate relates to how close the actual measurement the instrument measures. Precise relates to how much detail the instrument gives when measuring. They are independent to each other: An measurement can be precise and accurate (eg the value of π is 3.141592654) An measurement can be precise and inaccurate (eg the value of π is 1.733677432) An measurement can be less precise and accurate (eg the value of π is 3.14) An measurement can be less precise and inaccurate (eg the value of π is 1.73).
An automatically measurement has a higher precision than a manually measurement.
You can make a very precise measurement with a poorly calibrated device.
because of the mass
Yes it is possible. 21.354 inches is very precise but could be inaccurate.
The word accurate is a synonym for precise. So the most accurate (or precise) answer would be 57.213 because it is more accurate if the number is not rounded.
because they are both a reliable measurement and is both accurate and precise
because they are both a reliable measurement and is both accurate and precise
the role of measurement is it can help us to solve some things accurate and precise