Multiply the number Code wars Kata ~ JavaScript

In this video I talked about how to solve the "Multiply the number"
Kata in Code wars, and I presented a solution I myself came up with.

The problem is that we give a number and that number is going to be
multiplied with the base 5 with a exponent to the given numbers length.
If you learned something through my video or you just enjoyed it leave a
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to me it would help out a lot and thanks for watching bye!