Awordis defined as a sequence of two dots arranged in a row. Each dot is colored either yellow or blue. How many distinct words can be formed?  Choose the correct choice from the following answers.
A) 3  B) 4  C) 6  D) 8  E) 9
Each dot can be either yellow or blue, so 2 options for each dot:   2*2= 
<gadget id="calculator">  2*2</gadget>
<output>4</output>
4.   Answer: 4.
<result>B</result>
Awordis defined as a sequence of two dots arranged in a row. Each dot is colored either yellow or blue. How many distinct words can be formed?