It would depend on what denomination of coins your $800 is made up of. Each coin has a different weight.
If it is a US ten dollar coin, it is worth at least 800 dollars, and maybe more, depending on the condition and the mint information.
£800 is $970.78
$8,318,170.00 dollars
800
800 Great Britain pounds equals 1218.56 US Dollars.
800
800 American Dollars.
800 dollars-1,000 dollars.
Currently, 800 yen=$8.755
800 USD = 657.90 Pounds
800 nickels is equal to $40.
8 dollars cuz 100 pennies is $1 so 800 pennies is $8