Well i think is a) <span>m3
I'm not sure, i hope this help
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Answer:

Step-by-step explanation:
Using the rule of exponents
=
, hence
f(- 2) =
=
= 
Negative pi over 5
− π/ 5
Answer:
25^2
5^4
Step-by-step explanation:
625 = 25*25 = 25^2
=5*5 *5*5 = 5^4
Answer:
11 is 4:6
12 is 0
Step-by-step explanation: