Question

Seven distinct coins have to be placed in a single row on a table. How many of the possible sequences will have exactly 4 heads?
a). 4 (7!)
b). 35 (7!)
c). 48 (7!)
d). 7 (8!)
e). 8 (8!)​

Answer 1

Answer:

option a

Step-by-step explanation:

option a 7 is my answer