a) The price of gold, according to << Link removed by Moderator >>is currently $27 per gram. It is
estimated that over the course of history about 170,000 tonnes of gold has been mined,
what would the current price of all this gold be?
b) The density of gold is 19.3 g cm^-3. Express it in units of kgm^-3. """
The Attempt at a Solution
a) 4.59 x 10^12 (3 SF)
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