What is the sum of: −1676+(−1669)+(−1662)+...+(−115)+(−108)
1 answer:
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Answer: 120
Step-by-step explanation:
Given : The league championship 800 meter race has 6 runners.
The number of positions = 3
Since order matters here , so we use Permutation.
The permutation of n things taking r at a time is given by :-
Then, the number of different ways they place first, second, and third :_
Hence, they can place first, second, and third in 120 different ways .
Answer:
Step-by-step explanation:
Distribute 2 through the parentheses
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