Patel Wheeler
04/05/2024 · High School
For the given set, first calculate the number of subsets for the set, then calculate the number of proper subsets. \( \{18,15,13,17,12\} \) The number of subsets is The number of proper subsets is
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Step-by-step Solution
To calculate the number of subsets for a set, we can use the formula:
\[
\text{Number of subsets} = 2^n
\]
where \( n \) is the number of elements in the set.
In the given set \( \{18, 15, 13, 17, 12\} \), there are 5 elements. Therefore, we have:
\[
n = 5
\]
Calculating the number of subsets:
\[
\text{Number of subsets} = 2^5 = 32
\]
Next, to find the number of proper subsets, we use the fact that the number of proper subsets is equal to the total number of subsets minus 1 (to exclude the set itself):
\[
\text{Number of proper subsets} = \text{Number of subsets} - 1 = 32 - 1 = 31
\]
Thus, the results are:
- The number of subsets is \( 32 \).
- The number of proper subsets is \( 31 \).
Quick Answer
The number of subsets is 32, and the number of proper subsets is 31.
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