Ageometric sequence has these properties: a^1=4

a^n= 1/2a^n-1

what is term a7 of this sequence?

a)1/14

b) 1/8

c) 1/16

d) 1/12

you

  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?