The microscope in cell studies — practice question

Pancreatic cells measure $35\,\mu\text{m}$ across. Red blood cells measure $7000\,\text{nm}$ across. Which statement is correct?

• APancreatic cells are 5 times larger than red blood cells.
• BPancreatic cells are 50 times larger than red blood cells.
• CPancreatic cells are 5 times smaller than red blood cells.
• DPancreatic cells are 50 times smaller than red blood cells.