SAT Math Practice Question #39017 - SATify | SATify
#39017
applications
exponential
medium
60 sec
Calculator OK
The amount of a radioactive substance remaining, in grams, after h hours is given by the function A(h)=800(21)12h. How many hours does it take for the substance to be reduced to half of its initial amount?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.
