Answer:
6
Step-by-step explanation:
There 6 digits in this number so its of magnitude 6.
To find the number of years between 1844 to 2015 you have to subtract.
Lets say that x is the # of years in between 1844 and 2015
Then we have:

After doing the subtraction using a calculator or a pencil and paper, you get that:

So 171 years have passed from 1844 to reach to 2015.
Answer:
The answer would be 12%
Step-by-step explanation:
250-220=30 and 30 is 12% of 250
Answer:
(.2)(15.75)=3.15
Step-by-step explanation: