Answer
$$ 1344.61\ million$$
Work Step by Step
We add all of the numbers in the table to get the total number of internet users in these countries. First estimating by rounding to whole numbers:
$$ =642+280+243+67+51+40+22 \ million \\ = 1345\ million $$
The exact value is:
$$ 642+279.84+243.2+67+50.9+39.47+22.2 \ million \\ = 1344.61\ million$$
