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Binary to Decimal

Take the following number: 

0 0 0 0 1 0 1 1


Step 1:

Write out the Binary number under the appropriate base 2 headings.

128 64 32 16 8 4 2 1
0 0 0 0 1 0 1 1


Step 2:

Look for the 1s and add up all the associated numbers. In this case, 8 + 2 + 1 = 11

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