Question

Please help me with this!!

Answer 1

Step-by-step explanation:

`a_(5)=15\\a_(5)=(a_(4))/(2)\\15=(a_(4))/(2)\\a_(4)=30\\`

Each one is actually 1/2 of the one before so,

a5 = 15

a4 = 30

a3 = 60

a2 = 120

a1 = 240