Suckless SAT Practice

SAT Practice076cf150-d233-4c88-b49e-49a87889ba92

Practice one SAT question at a time

Questions come from the Bluebook question bank.

A sample of a certain isotope takes $29$ years to decay to half its original mass. The function $s (t) = 184 {(0.5)}^{\frac{t}{29}}$ gives the approximate mass of this isotope, in grams, that remains $t$ years after a $184$ -gram sample starts to decay. Which statement is the best interpretation of $s left parenthesis 87 right parenthesis equals 23$ in this context?