a single cell has a radius of 15 micrometers a volume of 14.1 picoliter and a mass of 15.5 nanograms. what is the density of the cell?

Question

anonymous · Answer

You need to make the units the same. Then, calculate the density which is mass over volume.

jusaquikie · Answer

i feel retarded i even wrote down the formula but i didn't see the volume and the radius messed me up.

anonymous · Answer

Here are the SI Units: 

Factor	Name 	Symbol
10^24	yotta	            Y
10^21	zetta	            Z
10^18	exa	            E
10^15	peta	            P
10^12	tera	            T
10^9        giga              G
10^6       mega	            M
10^3       kilo	            k
10^2       hecto	            h
10^1       deka	            da
 	
Factor	Name 	Symbol
10^-1	deci	            d
10^-2	centi	            c
10^-3	milli	           m
10^-6	micro	    µ
10^-9	nano	            n
10^-12	pico	            p
10^-15	femto	    f
10^-18	atto	            a
10^-21	zepto	    z
10^-24	yocto	            y

anonymous · Answer

No prob!

jusaquikie · Answer

studying for finals has me fried, but this is the last one. Thanks for the help.