How much is USDT in Binance?

Excuse me, I'm new to the world of cryptocurrencies and I'm a bit confused about the prices. Could you please tell me how much USDT is worth on Binance? I understand that prices can fluctuate quite a bit, but I'd like to get a general sense of the current market value. Additionally, could you explain how the pricing is determined and if there are any factors that typically influence its fluctuations? Thank you for your help.