If $A = \{ ext{red}, ext{blue}\}$ and $B = \{b, c, s\}$, how many o…

Question

If $A = \{	ext{red}, 	ext{blue}\}$ and $B = \{b, c, s\}$, how many ordered pairs are in $A 	imes B$?

Accepted Answer

B. $6$

$n(A 	imes B) = n(A) \cdot n(B) = 2 \cdot 3 = 6$.
The pairs: $(r, b), (r, c), (r, s), (bl, b), (bl, c), (bl, s)$.

Answer

$2$

Answer

$5$

Answer

$3$

If $A = \{\text{red}, \text{blue}\}$ and $B = \{b, c, s\}$, how many ordered pairs are in $A \times B$?