16
³ Problem
A mining company extracts 5000 tons of ore with a
concentration of metal of 3% and 7300 tons with a
concentration of 2.3%. On the basis of these two extraction
figures, what is the total quantity of metal obtained?
If one ton of metal is worth 280 dollars, what is the total value
of the metal extracted?
The two extractions represent a total of 317.9 tons of metal for
a total value of 89012 dollars.
EE key
E
E is a shortcut key to enter a number in scientific notation
format.
Example
3 %_ V 5000 <
T 2.3 %_ V 7300 <
V 280 <
2 E 5 <
q $ " <
- <
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