assume that gross national debt is equal to $3million and the federal government then runs a deficit of $300 billion.

What is the new level of gross national debt

3.3 Trillion

To calculate the new level of gross national debt, you need to add the deficit to the initial gross national debt.

Here's how you can do it:

1. Convert the deficit from billions to millions:
$300 billion = $300,000 million

2. Add the converted deficit to the initial gross national debt:
$3,000,000 million + $300,000 million = $3,300,000 million

Therefore, the new level of gross national debt would be $3,300,000 million or $3.3 trillion.