What is the best currency to use in Russia?

Related questions

1. Does Bank of America have branches in Mexico?
2. How much is a beer in Russia?
3. Does Bank of America debit card have a foreign transaction fee?
4. Can I use Bank of America debit card in Taiwan?
5. Can I use Bank of America in Canada?
6. Can I use my debit card in another country?
7. How much cash should I bring to Japan?
8. Can you use American money in Punta Cana?
9. How can I bring money to Japan?
10. Can I use my Bank of America debit card in Dominican Republic?

Tags

1. #russia
2. #dollar
3. #currency
4. #ruble
5. #outside
6. #which
7. #either