A Typical Ruby-Throated Hummingbird Is 8 Cm Long

Multiple Choice

A typical ruby-throated hummingbird is 8 cm long.Express its length in millimeters and micrometers (µm) .

A) 80 mm;800 µm
B) 80 mm;80,000 µm
C) 800 mm;0.008 µm
D) 800 mm;0.8 µm
E) 0.8 mm;8000 µm