Question

. An estimate for the number of cells in the human body is 8 x 10^13. An estimate for the number of cells in a particular insect is 3 x 10^3. Determine, using scientific notation, how many times more cells are in the human body than in the insect. What is the power of 10 in the answer?

Answer 1

The number of cells in the human body:  8 x 10^13.
The number of cells in a particular insect:;  3 x 10^3
8 x 10^13   :   3 x 10^3  =  2.67  x 10^10
Answer: There ere 2.67  x 10^10 ( 2.67 times 10 to the power of 10 ) times more cells in the human body then in the insect.