2. AradioacHive substance has a half-life of 8
formnla for this substance. 人
3. A certain strain of bacteria grow4 from 40 tp 326 120 minntes
growth formula y ー ge where とis in minutes.
す~- ひる たと
4。 Carl plans to invest $500 at 8.2596 interesも compoundedl continnonsIy。
will itake for his money to Tiple?
!5。 Acomputer system deprecates atan ayeragerate of 496 per month.放the
t地e computer system was originally $12,000, in_ howrmany months is MO
> ト 5 ー 3
$7350?
Thereare cnrrentiy 850 sthndents at the high school wi
town plans an addiHion to house 400 more Students.
96 per year, in how many years wl the ne
we