Answer:
Step-by-step explanation:
Idk sorryyyyyyyyyyyyyyyyyyy
Answer:

Step-by-step explanation:
For the first few exponents multiply and the rest they add because like terms.
The trick is that when you raise a power to a power you multiply. Otherwise you add if the base value is the same.
Answer:
448
Step-by-step explanation:
A=((a+b)/2) h=(17+39)/2·16=448