Sagot :
Ok so to do this we need to do
90008/(20*20*65*78) = 0.04438 (4 sf)
90008/(20*20*65*78) = 0.04438 (4 sf)
[tex]20\cdot20\cdot65\cdot78\cdot f = 90008\\
2028000f=90008\\
f=\frac{90008}{2028000}=\frac{11251}{253500}
[/tex]