Answer:
70 is greater than 4 so idlf it os 23 then it would be 9 therefore 9 is less than 70. in exponential value, it is 44^3
Step-by-step explanation:
Hope it helpz
[tex]r=(100-16)/100=0.84\\ \\ y=300(0.84^t)\\ \\ 300(0.84^t)=70\\ \\ 0.84^t=7/30\\ \\ tln(0.84)=ln(7/30)\\ \\ t=ln(7/30)/ln(0.84)\\ \\ t\approx 8.34676 hr\ or\ 8:20:48[/tex]
