The answer should be positive 5 or 5
Answer:
8
Step-by-step explanation:
To find the mean, you add up all the numbers and divide it by the total number of numbers. So 4+5+7+8+11+13 is 48. There are 6 numbers. So 48/6=8.
Answer: 3
Step-by-step explanation:
Set them equal because they are the same so 15x+5=16x+2 so x+2=5 so x=3
12÷1=12
11÷2=5.5
10÷3=3.3
9÷4=2.25
8÷5=1.6
7÷6=1.16
Answer:

Step-by-step explanation:
The scientific notation:

We have:

Use

