How much did Mr. Romanov pay for 9.3 gallons of gas at $3.30 a gallon? (1 point)

$30.69.

To find out how much Mr. Romanov paid for 9.3 gallons of gas at $3.30 per gallon, you can multiply the number of gallons by the cost per gallon.

So, the calculation would be:
9.3 gallons * $3.30/gallon = $30.69

Therefore, Mr. Romanov paid $30.69 for 9.3 gallons of gas.