If it is a "Silver" coin, it will say so on the case it came in.
8.04
17/25 = 0.68
9 and fourteen over twenty five as a decimal = 9.569 14/25= 9 + (14 ÷ 25)= 9 + 0.56= 9.56
There were no Australian commemorative coins issued in 1979. The only Australian decimal coin to have the Coat of Arms on it is the non-commemorative 50 cent coin.
The British crown coin went out of general circulation in 1971 when the UK adopted a decimal currency system. However, commemorative crown coins are still minted for collectors and special occasions.
The standard British decimal Two Pound commemorative coins issued from 1986 to 1996, are made from a nickel-brass alloy. The standard British decimal bimetal Two Pound general circulation coin issued from 1997 onwards, have a nickel-brass outer ring and cupro-nickel inner. No British decimal general circulation coin contains any precious metal. If you have a decimal Proof gold or silver coin, there will be a reference to the gold or silver content on the box it came in when you bought it, and a certificate of authenticity.
Halfpenny - British decimal coin - was created in 1971.
Penny - British decimal coin - was created in 1971.
340 decimal British Pounds converts to 34,000 decimal British Pence. 340 predecimal British Pounds converts to 81,600 predecimal British Pence.
No.
Most likely no. Most British predecimal coins are no longer legal tender. The predecimal Crown was never demonetised and is still legal tender. The decimal Halfpenny, the larger pre-1990 5 Pence, the larger pre-1991 10 Pence and the larger pre-1997 50 Pence have all been demonetised and are no longer legal tender. The Commemorative 25 Pence and Five Pound (Crown) coins are legal tender, but not intended to be circulated. All other British decimal coins should be all right to spend.
Expressed as a mixed fraction in its simplest form, 25/44 x 33/4 is equal to 4 11/16 or four and eleven sixteenths. Expressed as a decimal, this is equal to 4.6875.