In the early 1990â s extremely high inflation rates of 2500% were common in Russia. During that time, we can say that as a result of those inflation rates, Russia was experiencing .

hyperinflation

Explanation:

Hyperinflation means  when prices increases 50% in duration one month. in 1990 Russia experiencing hyperinflation. One of main causes oh hyperinflation is when government printing money to meet its expenditure. So increases in money supply decreases the currency value and prices go up an up continuously. It is rapid and out of control process that increases prices devalue currency and government mostly try to adopt and use more stable currency of other countries.

you should think about the answers you give and expect the same form your questions.