0
Call the initial amount of amoebae a. Then the total amount of amoebae at time intervals of ten minutes, t, is
At 10 minutes, the total amount of amoebae is
At 30 minutes, the total amount of amoebae is
a/8a = 1/8, so 1/8 of the present amoebae originated from the first ten minutes.
0
To divide
It is a vinculum
a fraction bar By Hoggyilove animals: A vinculum is what it's called
fraction bar
2
polar body
A common factor in a fraction, in non-simplified form, is an integer greater than 1 which evenly divides the numerator and the denominator of the fraction.
A factor or a divisor.
5/2
A whole number.
Hemispheric line