2.65
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14 = 7*2
21 = 7*3
So 18.55/7 is part way between 2 and 3.
The exact answer is 2.65
1.307
We get the Unit Vector
The magnitude of a vector is a geometrical value for hypotenuse.. The magnitude is found by taking the square root of the i and j components.
"Magnitude" is the size or distance. Its measure depends on the metric that is defined on the relevant space.
The magnitude is the length of the vector (using any scaling factor that may have been employed).