21ST CENT.AST.W/WKBK+SMARTWORK >BI<
6th Edition
ISBN: 9780393415216
Author: Kay
Publisher: NORTON
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Chapter 21, Problem 32QP
To determine
The reason why error is not plotted in figure 21-12, whether the measurement was precise or imprecise, how the precision of measurement affect the confidence in the conclusion.
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Students have asked these similar questions
I don't understand this. why365.0g is significant figures? I think its effective number is 3, and why 362mL has 3 effective numbers. Isn't 362.0mL and 362mL the same thing?
What is the difference between accuracy and precision? Explain
2. Calculate the volume and percent error/uncertainty in the volume of a rectangular sample block of
length 13.51 ±0.05 cm, width 6.23 ±0.02 cm, and thickness of 1.76±0.02 cm.
3. Calculate the mass density and uncertainty in the mass density of the sample block. Mass of the
block is 289± 1gr.
1.
ACTIVITY 1. Identify the levels of accuracy and precision of the
following sets of values. Put a check (/) on the blank(s) to describe
the set it/they follow(s).
Theoretical value: 1 kg
Set A
996 g
324 9
762 g
Accuracy:
Accuracy:
Set B
989 g
1 045 g
1 132 g
Accuracy:
Set C
768 g
783 g
792 g
Set D
997 g
994 g
998 g
Accuracy
Precision:
Precision:
Precision:
Precision:
ACTIVITY 2. Answer the following problems completely.
1. A carpet is to be installed in a room of length 9.72 m and width 5.3 m.
Find the area of the room retaining the proper number of significant
figures.
2. The speed of light is now defined to be 2.997 924 58 x 10" m/s.
Express the speed of light to (a) three significant figures, (b) five
significant figures, and (c) seven significant figures.
3. Suppose your hair grows at the rate of 1/32 inch per day. Find the rate
at which it grows in nanometers per second. Because the distance
between atoms in a molecule is on the order of 0.1 nm, your answer
suggests how rapidly…
Chapter 21 Solutions
21ST CENT.AST.W/WKBK+SMARTWORK >BI<
Ch. 21.1 - Prob. 21.1CYUCh. 21.2 - Prob. 21.2CYUCh. 21.3 - Prob. 21.3ACYUCh. 21.3 - Prob. 21.3BCYUCh. 21.4 - Prob. 21.4CYUCh. 21 - Prob. 1QPCh. 21 - Prob. 2QPCh. 21 - Prob. 3QPCh. 21 - Prob. 4QPCh. 21 - Prob. 5QP
Ch. 21 - Prob. 6QPCh. 21 - Prob. 7QPCh. 21 - Prob. 8QPCh. 21 - Prob. 9QPCh. 21 - Prob. 10QPCh. 21 - Prob. 11QPCh. 21 - Prob. 12QPCh. 21 - Prob. 13QPCh. 21 - Prob. 14QPCh. 21 - Prob. 15QPCh. 21 - Prob. 16QPCh. 21 - Prob. 17QPCh. 21 - Prob. 18QPCh. 21 - Prob. 19QPCh. 21 - Prob. 20QPCh. 21 - Prob. 21QPCh. 21 - Prob. 23QPCh. 21 - Prob. 24QPCh. 21 - Prob. 25QPCh. 21 - Prob. 26QPCh. 21 - Prob. 27QPCh. 21 - Prob. 28QPCh. 21 - Prob. 29QPCh. 21 - Prob. 30QPCh. 21 - Prob. 31QPCh. 21 - Prob. 32QPCh. 21 - Prob. 33QPCh. 21 - Prob. 34QPCh. 21 - Prob. 35QPCh. 21 - Prob. 36QPCh. 21 - Prob. 37QPCh. 21 - Prob. 38QPCh. 21 - Prob. 39QPCh. 21 - Prob. 40QPCh. 21 - Prob. 41QPCh. 21 - Prob. 42QPCh. 21 - Prob. 43QPCh. 21 - Prob. 44QPCh. 21 - Prob. 45QP
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