Years 7. A colony of E. Coli in a lab doubles in number every 20 minutes through cell division. How many
*HOURS* would it take for 1 cell of E. Coli to become 100 cells in a petri dish?

Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]