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How many different bit strings are there of length 7.

**1 Answer**

1

4.4kviews

How many different bit strings are there of length 7.

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written 21 months ago by |

**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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