Consider the Sets $A =$ {Letters in the Word Pen } $B =$

Short Answer

Consider the sets. $A =$ {letters in the word pen } $B =$ $\{ p , i , v \}$ $\mathrm { C } =$ {4} $D =$ $\{ 2 + 1 \}$ $E =$ {three} $F = \{ 3 \}$ What is the cardinality of each set? $| A | =$ __________ $| B | =$ ___________ $| C | =$ ________ $| D | =$ __________ $| E | =$ ___________ $| F | =$ ____________