Answer:

The complete list of the subsets are

{ }, { 2 }, { 6 }, { 2, 6 }.

There are four subsets of the given

set B = { 2, 6 }

Step-by-step explanation:

Note that Set B has (2) elements. In symbol, n(B) = 2.

Zero at a time: { }

One at a time: { 2 }, { 6 }

Two at a time: { 2, 6 }

Count them all and it equals to four(4)

The answer is 4

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