A farmer owns a field with an area of 0.77 km2. The farmer buys another field with an area of 33,400 m2. What is the total area of the fields he now owns in km2?

Answer 1

well,
1 km^2 = (1000 m)(1000 m) = 1000000m^2
so
new purchase = 33400/1000000
= .0334 km^2
now just add them up