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Kuhusu Ruble ya Urusi
The ruble or rouble is the currency of the Russian Federation. Banknotes and coins are issued by the Central Bank of Russia, which is Russia's monetary authority independent of all other government bodies.
The ruble is the second-oldest currency in continuous use and the first decimal currency. The ruble was the currency of the Russian Empire, which was replaced by the Soviet ruble during the Soviet period. Following the dissolution of the Soviet Union, by 1992, the Soviet ruble was replaced in the Russian Federation by the Russian ruble at par. The Russian ruble then further continued to be used in 11 post-Soviet states, forming a "ruble zone" until 1993. The ruble was further redenominated with the new code "RUB" just preceding the 1998 Russian financial crisis, and was exchanged at the rate of 1,000 RUR = 1 RUB.
As of April 2019, the ruble was the 17th-most traded currency in the world; however, due to international sanctions, the ruble dropped to being the 34th-most traded currency in the world as of April 2022. The ruble is subdivided into 100 kopecks which have fallen out of use due to inflation. In 2023, the digital ruble was introduced. WikipediaKuhusu Dola ya Marekani
Dola ya Marekani ni sarafu rasmi ya Marekani, iliyoanzishwa mwaka 1792 na kutolewa na Hifadhi ya Shirikisho. Ni sarafu kuu ya akiba duniani, inayotumika sana katika biashara ya kimataifa, bidhaa, na masoko ya fedha za kigeni. Mbali na Marekani, nchi kama Ecuador, El Salvador, na Zimbabwe pia hutumia dola ya Marekani kama sarafu yao rasmi.
Dola ya Marekani inapatikana kwa noti za dola 1, 2, 5, 10, 20, 50 na 100. Kuna pia sarafu ya dola 1.
Dola moja ina senti 100. Senti huitwa pia "penny" nchini Marekani. Kuna sarafu za nusu dolar, robo dolar na sarafu za senti 10, 5 na 1.
Hadi mwaka 1969 noti ya dolar ya Marekani ilikuwa na ahadi ya kwamba serikali ya Marekani itampatia kila mtu dhahabu kulingana na thamani ya dola hizi akipenda kuzibadilisha.
Usawa huu na thamani ya dhahabu ulifutwa. Leo hii dola ya Marekani ni pesa ya kuiamini serikali kama pesa zote. Maana yake watumiaji husadiki ya kwamba serikali haitachapisha dola kushinda uwezo wa uchumi na thamani ya bidhaa zilizopo nchini Tanzania.
Tangu mwisho wa Vita Kuu ya Pili ya Dunia dola ya Marekani imekuwa pesa kuu duniani na sehemu kubwa ya biashara ya kimataifa hukadiriwa kwa dola hizo. Wikipedia