Change 1011 to base 10 number

11.

Step-by-step explanation:

1011 is a number in binary.

To convert 1011 from base 2 to base 10...

1(2^3) + 0(2^2) + 1(2^1) + 1(2^0)

= 1(8) + 0 + 1(2) + 1(1)

= 8 + 2 + 1

= 11

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