Awordis defined as a sequence of Four dots arranged in a row. Each dot is colored either yellow or blue. How many distinct words can be formed?
Choose the most appropriate option:
A) 13
B) 15
C) 16
D) 18
E) 19
Each dot can be either yellow or blue, so 2 options for each dot:   2*2*2*2= 
<gadget id="calculator">  2*2*2*2</gadget>
<output>16</output>
16.   Answer: 16
<result>C</result>
Awordis defined as a sequence of Four dots arranged in a row. Each dot is colored either yellow or blue. How many distinct words can be formed?