For each of the following problems, determine if it is a decimal multiplication problem. If so, use our definition of multiplication to explain why and write the corresponding equation. If not, write a new decimal multiplication problem that uses a similar context, use our definition of multiplication to explain why it is a multiplication problem, and write the corresponding equation. If 1.5 liters of a liquid weigh 1.1 kilograms, then how much does 1 liter of that liquid weigh?