Which of the following measurements corresponds to the electronic balance shown in Figure 3 ? (a

step 1 Again, based on the previous question, every instrument which provides a reading have a certain

Which of the following measurements corresponds to the...

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Key Concepts

Significant Figures

Significant figures are the digits in a measurement that convey meaningful information about its precision. They include all fully reliable digits plus the first uncertain digit. In the context of instrument readings, the number of significant figures shown indicates the resolution of the instrument and helps prevent the misrepresentation of the accuracy and reliability of the measurement.

Instrument Resolution

Instrument resolution refers to the smallest change in the measured quantity that the instrument can reliably detect. For an electronic balance, resolution determines the number of digits displayed after the decimal point, directly influencing how measurements are recorded and reported. The resolution ensures that measurements are not over-reported or under-reported, matching the true precision of the instrument.

Electronic Balance

An electronic balance is a precision instrument used to measure mass by converting a physical force into an electrical signal, which is then digitized and displayed. Its design incorporates digital technology to offer quick and accurate measurements, with a display resolution that reflects the instrument's capability to measure variations in mass. This ensures that the readings provided are as precise as the instrument's specifications allow.

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