Two trains, Train A and Train B, weigh a total of 489 tons. Train A is heavier than Train B. The difference of their weights is
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
- Apply the Distributive property.
- Remember that, according the exponents properties, when you multiply two powers with equal base, you must add the exponents.
- Add the like terms.
Therefore, you obtain that the product is the following: