6. 1.33333333334
I can’t see the whole problem for 2
Given:
The population of continent of South America in 2010 is 395, 280, 204.
To find:
The closest estimate of this number.
Solution:
We have,

The approximate value of this number is

The scientific form of this value is

Therefore, the correct option is C.
Answer:

Step-by-step explanation:
slope = 
=
= 
simplify:

Answer:
69. 14
or 22π
Step-by-step explanation:
Area of a circle = 2πr
and, radius, r = 11 cm
π = 22/7
Therefore the area of a circle with radius 11cm
= 2* π * 11 or 2 * 22/7 * 11
= 22π or = 484/7
= 69. 14