Answer: 9 + 18.9n.
Explanation:
To simplify the expression (3 + 6.3n)(3), we can use the distributive property. The distributive property states that when we have a number outside parentheses multiplied by an expression inside the parentheses, we can distribute the number to each term inside the parentheses.
Let's apply the distributive property to this expression:
(3 + 6.3n)(3) = 3 * 3 + 6.3n * 3
Now, we can simplify each term:
3 * 3 = 9
6.3n * 3 = 18.9n
Putting it all together, the simplified expression is:
(3 + 6.3n)(3) = 9 + 18.9n
So, (3 + 6.3n)(3) simplifies to 9 + 18.9n.