Answer:
13.5-14
Step-by-step explanation:
it is 13.8
(A) - B
(B) - DC
14×5=70
8×8=64
(3/70) + (5/64)
= (3×64)+(5×70)
----‐------------------
70×64
= (192+350)/448
=542/448
= 271/224
Answer:an=9⋅(2/3)^n−1