Answer:

Step-by-step explanation:
The expression is 
<u>We use the rule of exponents shown below to change the original to </u><u>"positive"</u><u> exponent form:</u>
<u>
</u>
<em>Now we can change the original expression given into positive exponent:</em>

Answer:
first one is 2.2mm/year and second is 6.2years and -2.2mm/year
Step-by-step explanation:
Just trust me im right
Answer: B
the blocks add up to 26
Answer:
I think it is a and f i could be wrong
Step-by-step explanation: