Answer:

Step-by-step explanation:

Rule of exponents
, 
=> 
=> 
Combining same bases
=> 
When bases are same , powers are to be added
=> 
=> 
=> 
=> 
=> 9
Answer:
Down below
Step-by-step explanation:
No
no,
yes
,I am not sure,
yes
integers are whole numbers
I am not sure of one of them sorry.
<u><em>Both the statement and its contrapositive are true. </em></u>A right angle will always be 90 degrees, so both are true.
Answer:
I'm pretty sure It's 2172.20 (I may be wrong It's been a while since I did this)
Step-by-step explanation: