For this case we must indicate an expression equivalent to:

For properties of powers we have to:

So, the above expression can be rewritten as:

Thus, the resulting expression is: 
Answer:

Option D
Answer:
10x3000
Step-by-step explanation:
Answer:
$350
Step-by-step explanation:
7*10=70
Multiply by cost
70*5=350
Answer:
<h3>B. p = 1</h3>
Step-by-step explanation:

D
because the median of A is 20, the median of B is 30