What is the most appropriate measure for the mass of a goat?

$41$41mg

$41$41g

$41$41kg

What is the most appropriate measure for the mass of a dog?

What is the most appropriate measure for the mass of a 50 dollar bill?

What is the most appropriate measure for the mass of a screwdriver?

Measure at a level of precision appropriate to the task

Apply right-angled triangles in solving measurement problems