Based on the information given, the actual weight of the imported raw tobaccos is 1,020 tons, which is 2% higher than the expected weight of 1,000 tons. This means that the tolerance allowed for the weight is also 2%.

To calculate the import tax, we need to determine the value of the imported tobaccos in dollars. The dung sai invoice shows a value of $100,000 for 1,000 tons of raw tobaccos. To calculate the value of 1,020 tons, we can use the following proportion:

1,000 tons / $100,000 = 1,020 tons / x

where x is the value of 1,020 tons in dollars. Solving for x, we get:

x = ($100,000 x 1,020) / 1,000 = $102,000

Therefore, the value of the imported tobaccos in dollars is $102,000.

To calculate the amount of raw tobaccos in tons and in dollars that will be used to calculate the import tax, we need to take into account the 2% tolerance allowed for the weight. The 20-ton difference between the expected weight of 1,000 tons and the actual weight of 1,020 tons is within the tolerance limit of 2%, which means that the entire shipment of 1,020 tons will be used to calculate the import tax.

So, the amount of raw tobaccos used to calculate the import tax is 1,020 tons, and the value of the raw tobaccos used to calculate the import tax is $102,000.