Paulo uses an instrument called a densitometer to check that he has the correct ink colour. For this print job the acceptable ra
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Answer: Yes!
Explanation: There are only one y coordinates per x coordinate :)
Let me attach a helpful picture too:
Explanation: There are only one y coordinates per x coordinate :)
Let me attach a helpful picture too:
The first place can be filled in 40 ways.
The second place can be filled in the remaining 39 ways.
The third place can be filled in the remaining 38 ways.
Therefore, the total number of ways in which the forty entries in the science fair can finish in first, second, and third place is given by .