A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :

• A. 310 /2
• B. 310 - 210
• C. 243 *(35 -1)
• D. 310 -25
• E. None of these