Question

800 hm = _____ cm


8
0.08
8,000,000
80,000

Answer 1

1 hm=10 dekameter.
1 dekameter= 10 m
s0 800 hm= 80000m
= 8000000cm

Answer 2

I agree with mjbmanny.

Answer 3

h is for hecto , which is like hundreds (rarely used)
ie 1 hm = 100 m

800 hm = 800 * 100 m

c is for centi, which is like hundredths
ie 1m = 100 cm

= 800 * 100 * 100 cm