The amount of radioactive material in an ore sample is given by the function
A(t) = 600(3.3) 0.5t
where A(t) is the amount present, in grams, in the sample t months after the initial measurement.
How much radioactive material was present at the initial measurement? (Hint: t = 0)
There were ☐ grams.
(Simplify your answer. Type an integer or a decimal.)