54289 = 233^2
You know the last digit of the squared number is 3 or 7, so just try numbers ending with those from 220 to 250
Option A is the answer... Hope it helps
Different people have different concerns. Some people see the environment as a beautiful thing that we need to protect and conserve. Some people do not care about the environment at all or they do not see the problems as problems.
Answer:
Another effect of the spread of Islam was an increase in trade. Unlike early Christianity, Muslims were not reluctant to engage in trade and profit; Muhammad himself was a merchant. As new areas were drawn into the orbit of Islamic civilization, the new religion provided merchants with a safe context for trade.
