Answer: 
Step-by-step explanation:
To solve the exercise you must apply the following proccedure:
- Apply the distributive property.
- Keep on mind that when you multiply two powers with equal base, you must add the exponents.
- Add like terms.
Therefore, you obtain the following product:

Powers of ten, and they're easy to represent as exponents.<span />
The answer is C. The rest of the answers make no sense and do not work.
Answer:
the unit rate is 2.25
Step-by-step explanation:
4×2.25=9.0
6×2.25=13.5
8×2.25=18.0
Answer:

Step-by-step explanation:
1/30 × 100% = 3 1/3%