Okay, here we have this:
Considering the provided information, we are going to calculate the requested amount of termites, so we obtain the following:
To do this, we will replace the doubling time in the following formula:



Finally we obtain that:
a. After 1 month (30 days) will be approximately 476 termites.
b. After 1 year (365 days) will be approximately 190'682402 termites.