Final answer:
The expression that represents the product of 8 and (5/4n + 1.8) is 40/n + 14.4.
Step-by-step explanation:
The expression that represents the product of 8 and (5/4n + 1.8) is:
8 * (5/4n + 1.8)
We can simplify this expression by distributing the 8 into the parentheses:
8 * 5/4n + 8 * 1.8
Which simplifies to:
40/n + 14.4