Student prepared to start a culture using 2.5*10-3g yeast cells in 1dm3 nutrient broth.
The average mass of yeast cell is 2*10 -11g.
calculate the number of cells in the starter culture
Give your answer in standard form
The number of cells in the starter culture equals:
n(cells) = m(culture) / m(one cell) = 2.5 × 10-3 g / 2 × 10 -11 g = 1.25 × 108