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Answer:
Elements -------> Formulae
a). Tungsten ----> W
b). Lead -----------> Pb
c). Calcium ------> Ca
d). Ziriconium --> Zr
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Hey there!:
To find the original sample population density, divide the conted colonies by the dilution factor and the inoculate:
= 73 / (10⁻⁴ * 0.1)
= 73*10⁵
Thus, the original sample's population density was 7.3*10⁶ or 73* 10⁵.
Hope this helps!
Answer:
litre.50000665432158900643212lo
