Consider a soldier facing in a given direction (say north). Let us denote "left face" by l, "right face" by r, "about face" by a, and "stand fast" by f. (The element f means "don't move from your present position". It does not mean "return to your original position"). Then we define 
and an operation 
meaning "followed by". Thus, ![]()
data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__5.1_Natural_Numbers__media__ca9d2d92-10f1-49f6-954f-2c539022d637.PNG" style="vertical-align: middle;" /> means "left face" followed by "left face" and is the same as the single command "about face". Complete the following table.
a f l r a________________________________________ f________________________________________ l____________________ a__________ r________________________________________
What will be an ideal response?
f; a; r; l; a; f; l; r; r; l; f; l; r; f; a
You might also like to view...
Solve.
+ 
= 
A. 
B. 0
C. - 
D. 
Simplify.
A. 
B. 
C. 
D. 
Write the percent problem as a proportion and solve.What percent of 50 is 18?
A. 80% B. 160% C. 36% D. 18%
First, use front end rounding to estimate each answer. Then find the exact answer.John's current salary is 
, but he expects to be earning 
within three years. If things turn out as John expects, how much more will he be earning in three years?
A. estimate: $40,000 - $29,100 = $10,900; exact: $40,000 - $29,188 = $10,812 B. estimate: $40,000 - $29,000 = $11,000; exact: $40,000 - $29,188 = $10,812 C. estimate: $40,000 - $30,000 = $10,000; exact: $40,000 - $29,188 = $10,812 D. estimate: $40,000 - $28,900 = $11,100; exact: $40,000 - $29,188 = $10,812