Answer:
...
Step-by-step explanation:
Answer:

3^2 * 3^5 = 3^7
Step-by-step explanation:
I assume you mean this:

If so, then the rule is that when you multiply two numbers with the same base, you give the same base and add the exponents.

Answer:
The correct option is 'c' <em>cross-multiplication</em>
Step-by-step explanation:
Answer:
7, 17, 20, 11
Step-by-step explanation:
you just round each number to the nearest whole number and then add them
Answer:
a(n) = -20 + 3(n - 1)
Step-by-step explanation:
a(n) = -20 + 3(n - 1)