9 << 3. Answer is 72 ???

Answer 1

00001001 -> 9

Shift all the bits to left by 3 places.

01001000 -> 72

This is in binary, you just have to multiply 1 by their place values.

Answer 2

n >> m = n / 2 ** m
n << m = n * 2 ** m

therefore:

9 << 3 = 9 * 2 ** 3 = 72

Answer 3

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