Answer:
Step-by-step explanation:
Both 25 and 125 are powers of 5. As such, they can be written as the powers they are:
25 = 5·5 = 5^2
125 = 25·5 = 5·5·5 = 5^3
Step-by-step explanation:
the answer should be 18
Answer:

Step-by-step explanation:
First of all, the number before the decimal would be the whole number of the fraction.
So, 
Then, you would put 0.83 over a fraction.
So because you cannot simplify it anymore, it would be 
28.4
Explanation
(Multiply the numbers) 3.24 x 10= 32.4
(Subtract the numbers) 32.4 - 4= 28.4