Answer:
5:9
6:5
7:-6
Step-by-step explanation:
Answer:
8 billion > 8,000,000,000
977 thousand > 977,000
13> 13
8,000,977,013
Step-by-step explanation:
Answer:
495
Step-by-step explanation:
In order to find the sum of the first 18 terms you have to find the 18th term and the first term using the equation given.
a1=3(1)-1 a1=2
a18=3(18)-1 a18= 53
Then plug in 53 for an, 18 for n, and 2 in for a1 in the sum equation: Sn=n/2(a1+an)
Sn=18/2(2+53) Solve for sn= 495
Answer: 7.83
Step-by-step explanation:
The error is that the numbers are not in order from least to greatest.
To find the median of data you need to first put the numbers in order from least to greatest.