How much is $100 US in Africa?

Could you please clarify your question? The value of $100 USD in Africa would depend greatly on the specific country and the current exchange rate. Each African country has its own unique economy and currency, and the exchange rates can vary significantly from one country to another. Additionally, the exchange rate can fluctuate daily due to a variety of economic factors. Therefore, it's not possible to give a definitive answer without more specific information. Could you please provide the country or currency you're interested in, and I'll do my best to provide a more accurate response?