Let's See What You Have Learned

A. Express the following in roster method:

The set whose members are 10, 20, 30 and 40.

1. The set whose members are S, E and T.

2. The set whose members are numbers between 25 and 30.

B. Express the following in the rule method:

1. {1, 2, 3, 4, ... }

2. {2,4,6,8,... }

3.{6, 9, 12,}

True or False:

2.{0 } is an empty set.

3.Null set is a proper subset.

4. The set is an improper subset.

5.If A = {T, Y}, then there are 4 subsets.

D. List down all the possible subsets of the following:

A = { 1,2,3}

B = { a, b, c, d,e}

C = {m,a,t, h}

E. Compute the total number of subsets of the following sets given the number of elements.

1 D = {J, K, L, M, N, O, P, Q, R, S}

E = {2,4,6,8, 10, 12, 14, 16, 18,20,22,24}

F = { I, II, III, IV, V, VI, VII, VIII }

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