Question 1137754
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The customer has 2 choices ("yes" or "no") as to whether each of the 7 ingredients other than lettuce can be on the salad; and he has 6 choices for the type of salad dressing (5 kinds of dressing, or no dressing).  The total number of different salads possible is<br>
(2^7)*6 = 128*6 = 768