A platelet has a bigger diameter than a red blood cell by 5.17 times 10^-6 m.
A platelet has a bigger diameter than a red blood cell by 9.83 times 10^-6 m.
A red blood cell has a bigger diameter than a platelet by 5.17 times 10^-6 m.
A red blood cell has a bigger diameter than a platelet by 9.83 times 10^-6 m.
It seems there may have been a mistake in the given information. Based on the sizes provided, the platelet has a larger diameter in both scenarios. The correct comparisons should be:
1. A platelet has a bigger diameter than a red blood cell by 5.17 times 10^-6 m.
2. A platelet has a bigger diameter than a red blood cell by 9.83 times 10^-6 m.