Question

3. The number of bacteria in a certain box doubles every hour. There were 5 bacteria present

in the box originally and the box was fully filled with bacteria in 30 hours.

Question (13.1) - How many bacteria will be present at the end of 4th hour? (1 Mark)

Question (13.2) -In how many hours wills the box be filled half with bacteria? (1 Mark)

Question (13.3) - The

part of box will be filled with bacteria in (1 Mark)

a) 7.5 hours

b) 15 hours

c) 28 hours

d) 4 hours

Question (13.4)-Find the difference in number of bacterial at the end of 5 hours and 6

hours. (2 Marks​

Answer 1

Answer:

30

Step-by-step explanation:

Answer 2

Answer:

answer 1. 5⁴= 625

answer 2. 29 hours

answer 3. 4(5¹⁰)

answer 4. 28 hours