Each $\text{mm}^3$ of blood contains about 5 million red blood cells. The average diameter of a red blood cell is $0.007\,\text{mm}$. Which row shows this information correctly in standard form?
Biology 5090 · O Level · Blood
Each $\text{mm}^3$ of blood contains about 5 million red blood cells. The average diameter of a red blood cell is $0.007\,\text{mm}$. Which row shows this information correctly in standard form?