How much is $100 US in the Dominican Republic?

Inquiring minds want to know: What is the approximate equivalent value of $100 USD in the Dominican Republic? Given the fluctuating exchange rates and potential differences in cost of living, how would a traveler carrying this amount of currency fare in the local economy? Would it be sufficient for a week's stay, covering basic expenses like food, accommodation, and transportation? Or would it be advisable to bring more, considering the potential for higher costs in tourist areas or specific types of activities? The question begs for a realistic assessment of the purchasing power of $100 USD in the Dominican Republic.