225 mm=hm
this is a 2-step problem

To find how many hectometers this is, we can divide the amount by 100,000.

225 / 100000 = 0.00225

Therefore, 225mm = 0.00225hm

Best of Luck!

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

you need to have a picture of the atom that way we can answer it