A I think Sorry if it’s wrong
Sequence: 5/2, 5/4, 5/8, 5/16
a8=?
a1=5/2
a2=5/4
a3=5/8
a4=5/16
a2/a1=(5/4)/(5/2)=(5/4)*(2/5)=(5*2)/(4*5)=2/4=1/2
a3/a2=(5/8)/(5/4)=(5/8)*(4/5)=(5*4)/(8*5)=4/8=1/2
a4/a3=(5/16)/(5/8)=(5/16)*(8/5)=(5*8)/(16*5)=8/16=1/2
Ratio: r=a2/a1=a3/a2=a4/a3→r=1/2
an=a1*r^(n-1)
a1=5/2, r=1/2
an=(5/2)*(1/2)^(n-1)
an=(5/2)*[1^(n-1)/2^(n-1)]
an=(5/2)*[1/2^(n-1)]
an=(5*1)/[2*2^(n-1)]
an=5/2^(1+n-1)
an=5/2^n
n=8→a8=5/2^8
a8=5/256
Answers:
The formula for the general term or nth term for the sequence is an=5/2^n
a8=5/256
Answer:
6/2(1+2)
the 2 will divide 6 or go into 6 ,how many times, 3 times because 2*3=6
next 1+2=3
therefore 3(3) =9
R=10
because 10 divided by ten =1 +4 =5
<h3>
<u>QU</u><u>ESTION</u><u>:</u></h3>
WHAT IS THE PRODUCT OF: 7.21 x 4.2
PLEASE--
<h3>SOLUTION AND ANSWER:</h3>
THEREFORE, <em><u>30.282</u></em> IS THE PRODUCT
HOPE THIS HELP YOU! HAVE A NICE DAY!
~kimtaetae92~
NOTE: Kindly see this answer from brainly app if you are in web to see the displayed formats here.