1. How many odd four-digit numbers can be formed from 0,1,2,3,4,5,6,7,8,9 if each digit can be used only once. 2. The summation of a constant is equal to the product of the cardinal of the index set....

Extracted text: 1. How many odd four-digit numbers can be formed from 0,1,2,3,4,5,6,7,8,9 if each digit can be used only once. 2. The summation of a constant is equal to the product of the cardinal of the index set. True or False 3. The cardinal of the index set of E,Ej20 c is 90. True or False 4. The range of a function is a superset of the codomain of the function. True or False 5. A finite set S has a proper subset that is equivalent to S. True or False