In 2010, the continent of South America had a population of 395, 280, 204 Which of the following is the closest estimate of this
number?
O 3 x 10^8
O 4 x 10^7
O 4 x 10^8
O 4x 10^9
1 answer:
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.
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