TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Female cats can go into heat for the first time as early as _ months of age.

SOLUTION: five

PROBLEM: Silkies have _ seasonal moults but little hair is dropped.

SOLUTION: two

PROBLEM: Natural palladium contains _ stable isotopes.

SOLUTION:
six