A single cell has a radius of 15 um a volume of 141
A single cell has a radius of 15 um, a volume of 14.1 picoliter, and a mass of 15.5 nanograms. what is the density of this cell in g/mL?
a)0.910
b)1.10
c)1.06x10^3
d)1.10x10^-3
e) 9.10
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