Susie ran a race. She ran 5 miles an hour, and the race took her t hours to complete.
1 answer:
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Given:
The set is:
To find:
The number of subsets in set R.
Solution:
Formula for number of subsets in a set of elements is
Number of subsets = ...(i)
We have,
Here, the number of elements are 3. Putting in (i), we get
Number of subsets =
=
Therefore, the number of subsets is 8 and the subsets are and
.