Question 866146
There are 3 possible responses (T, F, B ... B for blank). 



There are 20 slots.



So we will have 


<pre>          3*3*3*3  *  3*3*3*3   *   3*3*3*3   *   3*3*3*3   *   3*3*3*3 = 3^20 = <font color="red">3,486,784,401</font></pre> 

different ways to answer this test.