20
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, 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 $89,012.
x10
n
key
C
C is a shortcut key to enter a number in scientific notation
format.
Example
3 _V 5000 <
T 2 8 3 _V
7300 <
V 280 <
2
C 5 <
q $ " <
- <
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