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How many different bit strings are there of length 7.

written 2.2 years ago by prajapatijaimin • 3.2k

•   modified 2.2 years ago

data structures and algorithms

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1 Answer

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written 2.2 years ago by prajapatijaimin • 3.2k

Solution:

Each of these seven bits can be chooses in 2 different ways.

Since each bit is either 0 or 1.

Therefore, the product rule shows there are a total of,

$2^7=128$ ways.

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