The ordered pairs are:
<span>{(1, 80), (2, 240), (3, 720), (4, 2160)}
with
a_1 = 80
a_2 = 240
a_3 = 720
a_4 = 2160
The terms are in a geometric sequence with a common ratio of
240/80 = 720/240 = 2160/720 = 3
The equation is:
a_n = 80 * 3^(n - 1)</span>
Answer:
thousands thousands thousands
Step-by-step explanation:
8 ten thousands
Answer:
4/21
Step-by-step explanation:
since we are only talking about the first day, there are still 21 options for your teachers. there are 4 spots that you can fill, so the probability that you will be picked is 4/21
Answer:
X is greater than 3
X > 3
Step-by-step explanation:
Answer:
the answer is 1 hour & 45 minutes
