Answer:
-10
Step-by-step explanation:
204 thousand equals 204,000 or two hundred and four thousand.
Hope this helps.
Answer:

Step-by-step explanation:
Use these formulas

Now solve

It is 3y because of the calculation being equivalent
It works because even if the numbers are broken apart, you are still multiplying the numbers by their values, it's only different because once broken apart, it's in expanded form instead of standard form. It also makes multiplication easier since you don't have to deal with such large numbers.