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Chapter 13: Q. 19. (page 868)

Binary Codes Using the digits 0and 1, how many different numbers consisting of 8digits can be formed?

Short Answer

Expert verified

The answer is256.

Step by step solution

01

Step 1. Given information.

Digits 0and 1are given.

02

Step 2. Calculation.

We are choosing 8digit number by0and1.

8digits are chosen from 2distinct objects.

Thus use the method of distinct object with repetition is nr.

So,

nr=28=2脳2脳2脳2脳2脳2脳2脳2=256

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