The following examples make use of the TI-83 Graphing Calculator.
Example 10
Solution:
Set the 
to 2 decimal places by changing Float to 2.
Press QUIT
to see the Home Screen and press  ,
if necessary, to clear it.
Then press 
 19 
 to
obtain the answer to 2 decimal places.
The display on the screen shows that:
Note:
Example 11
Solution:
Set the
to 3 decimal places by changing Float to 3.
Press QUIT
to see the Home Screen and press ,
if necessary, to clear it.
Then press
26
to
obtain the answer to 3 decimal places.
The display on the screen shows that:
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