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Let A = {4, 5, 6, 7, 8, 10, 11}

 

A. How many subsets does A have?

B. How many proper subsets does A have?

 

a. A has ___ subsets. 

cassie19  Sep 6, 2017
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Let A = {4, 5, 6, 7, 8, 10, 11}

 

A. How many subsets does A have?

B. How many proper subsets does A have?

 

 

 

A. A has \(2^7 = \mathbf{128}\)  subsets

B. A has \(2^7 -1 = \mathbf{127}\) proper subsets

 

laugh

heureka  Sep 7, 2017

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