A box contains 14 scarves in unique colors. If 4 scarves are picked randomly from the box,__________ different combinations are
2 answers:
Answer: 363242880
Step-by-step explanation:
We know that the of to calculate the number of combinations, we use the formula :-
, where n : the total number of items
r: the number of items being chosen at a time.
Given: The total number of scarves contained in a box= 14
The number of scarves picked = 4
The number of different combinations is given by :-
Hence, If 4 scarves are picked randomly from the box, <u>363242880</u> different combinations are possible if the order doesn't matter.
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Answer:
Step-by-step explanation:
The given options are:
The key to determining which product is negative is to understand the rule of sign multiplication.
Now:
- The product of even negative terms is positive
- The product of odd negative terms is negative.
- The product of positive will always be positive.
In Options A and B, the number of negative signs is even, therefore our result is positive.
In option C, all the terms are positive, therefore our result will be positive.
In Option D, the number of negative signs is odd, therefore our result is negative.