Crack the Binary Code
In a 4-bit system, there are four digits (a string of zeros or ones) to each readout. The first place-holder, reading from RIGHT TO LEFT, is for “1s,” the second is for “2s,” the third is for “4s” and the last is for “8s.” See if you can crack the codes in the table below.

Base 2	1	1	1	1
Base-10 Value	8	4	2	1
Binary Readout	Base-10 Value
a. 1101	1 + 0 + 4 + 8 = 13
b. 1001	__ + __ + __ + __ = ___
c. 1011	__ + __ + __ + __ = ___
d. 0101	__ + __ + __ + __ = ___
e. 0110	__ + __ + __ + __ = ___

Extra Points Question:
Can you write the 4-bit code for a voltage of 14?

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