Question

the size of a certain cell is 2.5 x 10^-9m. another cell is 1.5x10^3

Answer 1

[AI-generated answer — Bot GPT 3.5]

The size of the first cell is 2.5 x 10^-9m, which is equal to 0.0000000025m or 2.5 nanometers (nm).

The size of the second cell is 1.5 x 10^3, which is equal to 1500m or 1.5 kilometers (km).