Arithmetic sequence: must have a constant common difference.
3/20-1/10=(3-2)/20=1/20
5/30-3/20=(10-9)/60=1/60
Difference is not constant, so no.
Geometric sequence: must have a common ratio
30/20 / (1/10) = 15
5/30 / (3/20) = 100/90 = 10/9
ratio is not constant, so no.
The answer is (c) neither geometric nor arithmetic
18 because that’s the greatest common factor for all of them
Step-by-step explanation:
First, 480 rounded to the nearest ten is:
480
second 480 rounded to the nearest ten is 481
The answer is 2.646 hope it helps
