A scale used to weigh produce at a market has markings every 0.1 kg . Which measurement for the

Name: Problem 16, Chapter 2: Chemistry Structure and Properties
Uploaded: 2020-07-13T20:04:44-08:00
Duration: 1 min 49 s
Channel: Ronald Prasad
Description: A scale used to weigh produce at a market has markings every 0.1 kg . Which measurement for the mass of a dozen apples is correctly reported for this scale? a. 1.87 kg b. 1.9 kg c. 1.875 kg

step 1 Out of the three measurements, measurement A is the correct one to report. The procedure is to d

Question

A scale used to weigh produce at a market has markings every 0.1 $\mathrm{kg}$ . Which measurement for the mass of a dozen apples is correctly reported for this scale? $$\begin{array}{llll}{\text { a. } 1.87 \mathrm{kg}} & {\text { b. } 1.9 \mathrm{kg}} & {\text { c. } 1.875 \mathrm{kg}}\end{array}$$

   A scale used to weigh produce at a market has markings every 0.1 $\mathrm{kg}$ .
Which measurement for the mass of a dozen apples is correctly reported for this scale?
$$\begin{array}{llll}{\text { a. } 1.87 \mathrm{kg}} & {\text { b. } 1.9 \mathrm{kg}} & {\text { c. } 1.875 \mathrm{kg}}\end{array}$$

Chemistry Structure and Properties

Nivaldo J. Tro 1st Edition

Chapter 2, Problem 16

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Solved by Expert Ronald Prasad

07/13/2020

Step 1

1 kg. This means that the smallest unit that can be accurately measured on this scale is 0.1 kg. Show more…

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A scale used to weigh produce at a market has markings every 0.1 $\mathrm{kg}$ . Which measurement for the mass of a dozen apples is correctly reported for this scale? $$\begin{array}{llll}{\text { a. } 1.87 \mathrm{kg}} & {\text { b. } 1.9 \mathrm{kg}} & {\text { c. } 1.875 \mathrm{kg}}\end{array}$$

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Key Concepts

Rounding

Rounding involves approximating a number to a specified degree of precision that reflects the measurement tool's resolution. In the context of measurement, rounding ensures that the reported value does not imply a greater level of accuracy than the instrument can provide.

Significant Figures

Significant figures refer to the digits in a number that contribute to its precision, including all the digits known reliably plus one last digit, which is somewhat uncertain. When measuring quantities with an instrument, the reported measurement should reflect the precision of that instrument by limiting the number of significant figures.

Measurement Precision

Measurement precision indicates how finely an instrument can measure a quantity, which is determined by its smallest marked division or resolution. The resolution sets the limit to the accuracy of the measurement, meaning that reported values must be rounded to match the instrument's precision.

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