Answer:
From least to greatest:
-2, 0.2, 1/2
Step-by-step explanation:
-2 is below 0. 0.2 is below 1/2 (0.5) and 0.5 is the highest.
Answer:
Step-by-step explanation:
The rule with like bases is that when you multiply them you add their exponents.

Therefore, our final simplification is

Step-by-step explanation:
first bring 87.5 to right
25t=12.5+87.5
25t=100.0
then bring 25 to right so it will divided
t=100.0/25
t=4
putting value of t in 25t-87.5=12.5
25(4)-87.5=12.5