Question

A speck of dust is 2.8 x 10-8 m wide. Which of the following is the best way
to rewrite this quantity, using more appropriate units?
О
A. 2.8 x 10-5 mm
B. 2.8 x 10-11 km
O C. 2.8 x 10-8 m
O D. 2.8 x 10-6 cm

Answer 1

I thing it’s going be be c