Answer:
D. -3
Step-by-step explanation:
Add all numbers together = -15
then divide by the numbers of numbers = 5
= -3
Step-by-step explanation:
i hope it's helpful......
<u>Given</u>:
Given that the first term of the geometric sequence is 729.
The common ratio is 
We need to determine the seventh term of the sequence.
<u>Seventh term</u>:
The seventh term of the sequence can be determined using the formula,

To find the seventh term, let us substitute n = 7 in the above formula, we get;

Now, substituting
and
, we get;



Thus, the seventh term of the geometric sequence is 1.
With one digit you can only make three numbers, 2, 5, and 8.
With two digits, _ _ there are 3 possibilities for the first digit and 2 in the second totaling 3*2 = 6 possibilities.
With three digits, _ _ _, there are 3 possibles in the first digit, 2 in the second and only 1 in the last. 3*2*1 = 6
Now we add all of the possibilities - 3+6+6 = 15.
Your final answer should be 15 numbers. Hope this helps!