SAT Math Practice Question #36925 - SATify | SATify
#36925
applications
exponential
medium
100 sec
A certain radioactive substance decays at a rate of 12% per hour. If there are 88 grams of the substance remaining after 1 hour, what was the initial mass of the substance, in grams? (Round your answer to the nearest whole number.)
• 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.
