The product cost in US dollars given the exchange rate of bitcoins per dollar is $500.
The exchange rate is the rate at which one currency is exchanged for another currency. In this question, 1 dollar is equivalent to 0.0035.
$1 = 0.0035 bitcoins
1.75 / 0.0035 = $500
To learn more about exchange rate, please check: https://brainly.com/question/25780725