By 32,760 different ways can a researcher select 4 rats from 15 rats and assign each to a different test .
<u>Step-by-step explanation:</u>
We need to find How many different ways can a researcher select 4 rats from 15 rats and assign each to a different test.Let's find out:
We will use Permutation here : As we will chose 4 rats out of 15 rats , order will be considered which will make this as a permutation problem . Formula for permutation is given by :
⇒ 
According to question , we have
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⇒ 
⇒ 
⇒ 
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Therefore , By 32,760 different ways can a researcher select 4 rats from 15 rats and assign each to a different test .
Answer: 672 cars will have defective engine mounds
Step-by-step explanation: 25% of 2,688 is 672
Answer:
I did jumping jacks
Step-by-step explanation:
conditioning exercise performed from a standing position by jumping to a position with our legs spread and arms raised and then to the normal position.
I believe its the first four after the decimal
The first two. In fact, you have

and
is irrational.
Similarly,
is irrational, and the same goes for
.
Instead, the square root and the second power simplify in the third option:

and similarly,
