Casey buys a wooden board that is 745745 feet long. The cost of the wooden board is $0.70$0.70 per foot including tax. Enter the total cost, in dollars, of the wooden board
Multiply the length of the wooden board by the cost per foot to get your answer.
In this case (assuming the values are 745 and 0.70 because your numbers seem to have repeated when you typed the question out)
Your answer would be the value of 745 x 0.70