Answer:

We often use multiplication of decimals in our everyday life when we go to the grocery store or the corner store.

For example, let's say you needed to buy enough apples to last you for two school weeks, not including the weekends. So that's 10 days in total, so you'll need 10 apples. Each apple costs $0.79 cents. 10 x $0.79 = $7.90

Now, you want to make sure you have enough money on you to buy the 10 apples before you get to the checkout. You count all of your change while waiting in line. You have exactly $8.72. How much will you have left after buying the 10 apples? $8.72 - $7.90 = $0.82 cents.

Another example would be paying for the public bus for the next month. We'll pretend that it's October and there's 31 days this month. You know that you need to travel by public bus at least 23 days that month, and each daily bus pass costs $4.75. $4.75 x 23 = $109.25.

We can go even further. Say that now, there's a new 10% Government Ministry of Transportation tax fee that's added on to the total cost of $109.25. $109.25 x .10% = $10.93. Therefore, $109.25 + $10.93 = $120.18 total (after the new Government's transportation tax fees :)