Write the following numbers in scientific notation:

a$)29879\frac{m}{s}=2\mathrm{.}9{10}^4$ you wand to reep your number befween $1a<mn\; id="EditorElement\_6989739">1</mn><mn\; id="EditorElement\_6989740">0</mn>$

b$)25,579$ people $($population of Reedley in $2018$