Naira appreciates dollar n1

I think there may be a small mistake there!

The Nigerian Naira (NGN) is the official currency of Nigeria, and it is typically quoted against the United States Dollar (USD). If the Naira "appreciates" the Dollar, it means that the value of the Naira increases relative to the Dollar.

In other words, if the exchange rate is NGN 1 = USD 0.0025 (a fictional example), and the Naira appreciates against the Dollar, the exchange rate might change to NGN 1 = USD 0.0030. This means that the Naira has strengthened, and you can now buy more Dollars with the same amount of Naira.

So, to correct your statement, if the Naira appreciates the Dollar, it would be written as "Naira appreciates against the Dollar" or "Naira strengthens against the Dollar".