Given: 7 different jellybeans
To Determine: How many ways the 7 different jellybeans can be lined up in a row of 3
Solution
We are considering an arrangement, so we would be using the permutation formula
The permuation formula is as shown below
Applying the formula above to the given as shown below
Hence, the different ways 7 different jellybeans be lined up in a row of 3 is 210ways