Answer:
230,300 different selections.
Step-by-step explanation:
If the order does not matter, the number of possible different selections is determined as the combination of choosing four numbers out of 50:

There are 230,300 possible different selections.
Answer:
1.8023017e+44
Step-by-step explanation:
I hope you understand I had to convert to simplify it.
The foreign exchange rate is a rate at which one currency is exchanged for another, and it exists because not all currencies are worth the same. In short, money of one country is worth more than money of a different country.
Answer: b or d
Step-by-step explanation: