The exchange rate between the US dollar and the Nigerian naira fluctuates constantly. To determine how much a $50 Google Play Card is in naira, one needs to check the current exchange rate.

Typically, financial institutions and online currency exchange platforms provide the latest exchange rates. By multiplying the value of the Google Play Card in dollars ($50) by the prevailing exchange rate, you can get an approximation of its worth in naira.
It's important to note that the exchange rate can vary depending on market conditions, economic factors, and the specific exchange service used. So, it's advisable to look up the most accurate rate at the time of the transaction to know precisely how much a $50 Google Play Card would be equivalent to in Nigerian naira.