No it's not, and hasn't been for decades.
sadly it is backed only by promises. It used to be backed by gold but that was taken away and now it is backed by nothing.
No the Dinar is backed by gold repository
Depends on the price of gold.
None. There is no gold in any Australian general circulation coin.
Australia uses the Australian Dollar.
No. There is no precious metal in any Australian general circulation coin. The Australian One and Two Dollar coins are made from an aluminium-bronze alloy.
Depends on the price of gold.
No, the dollar is not based on the gold standard. The United States abandoned the gold standard in 1971, transitioning to a fiat currency system where the value of the dollar is not backed by physical gold but rather by government trust and economic stability. This means that the dollar's value is determined by market forces and government policy rather than a fixed quantity of gold.
No. There are no circulating Australian coins with any precious metal in them. The Australian One Dollar coin is made from 92% copper, 6% aluminum and 2% nickel which gives it a pale gold appearance.
The United States currently has a "Fractional Monetary Reserve System" although the system was originally a "Specie-backed" system (each dollar backed by a quantified amount of gold, "The Gold Standard").
The Australian Dollar (AUD). There are 100 cents in an Australian Dollar.