A) Write an equation for the number of amoebas, a, after thours. (2)
b) How many full hours will it take for the number of amoebas to reach 1 million?
2. A biologist further discovered that the most famous amoeba species, Amoeba proteus, is
about 700 um (micrometre) in length, but the species Amoeba dubia is as large as a
millimetre and visible to the naked eye. The unit 1 um is equivalent to 10 metre
Answer the following questions:
a) Write the size of Ampeba proteus in metres. Express your answer in scientific notation (3)
b) What is the size of Amoeba dubia in metres? Express your answer in exponential form. (3)
c) Now compare the size of Amoeba proteus with that of Amoeba dubia
What is the ratio of the sizes of the two amoebas?
(4)​