a) \( 9 \times 8 \) d) \( 11 \times 12 \) g) \( 13 \times 9 \)

Did you know that multiplication can be traced back to ancient civilizations? The Babylonians used a base-60 system, and they created multiplication tables over 4,000 years ago! Those tables helped facilitate trade and construction by simplifying calculations, much like modern multiplication tables we use today. In the real world, multiplication is more than just numbers on a page. It's used in areas such as cooking, where you might multiply ingredients for different serving sizes, or in finance with calculating expenses and revenues. Understanding multiplication can help you make sense of budgets and improve your overall financial literacy!