Question

PLEASE HELP QUICKKKK I GIVE BRAINLYIST PLEASEE

Answer 1

Answer:

7

Step-by-step explanation:

As you can see, each time (let's say n) increases by 1, it divides by 1/2. So from a1 to a2, you get 28/2 or 14, then from a2 to a3, 14/2 or 7.

7 being your answer.

Answer 2

Answer:

• 7

Step-by-step explanation:

Given the recursive formula.

• $a_1=28\\a_n=1/2a_{n-1}$

Use it to determine the value of te third term.

• $a_3=1/2a_2=1/2(1/2a_1) = 1/4a_1=1/4(28) = 7$