Question

Convert to meters: 8750 kilometers? Thanks 😊

Answer 1

`"8,750,000" " m"`

Explanation:

`8750 cancel"km"*(1000 "m")/(1 cancel"km")= "8,750,000" " m"`

Answer 2

8750000 meters

Explanation:

'kilo' means one thousand.

kilometers to meters
`8750` kilometers
`=8750*"kilo"*`meters
`=8750*1000*`meters
`=8750000` meters

Other examples:
centimeters to meters
`8750` centimeters
`=8750*"centi"*`meters
`=8750*1/100*`meters
`=87.5` meters

You can use `"kilo"/1000=1` or `100*"centi"=1` to go back.

meters to kilometers
`8750` meters
`=8750*"kilo"/1000*`meters
`=8750/1000*`kilometers
`=8.75` kilometers

meters to centimeters
`8750` meters
`=8750*100*"centi"*`meters
`=8750*100*`centimeters
`=875000` centimeters

For any SI unit (base or derived) you can think of:

milli = 1/1000 (one thousandth) ex. meters, grams, seconds, liters
centi = 1/100 (one hundredth) ex. meters, liters
deci = 1/10 (one tenth) ex. meters, bels

---

deca = 10 (ten) ex. grams
hecto = 100 (hundred) ex. liters, pascals
kilo = 1000 (thousand) ex. meters, grams, pascals

https://en.wikipedia.org/wiki/Metric_prefix
https://en.wikipedia.org/wiki/SI_base_unit
https://en.wikipedia.org/wiki/SI_derived_unit