Weight = mass(m) x acceleration due to gravity(g) (Fw = mg.) g = 9.8 m/s2 on earth If someone weighs 711 N on Earth, what is that person's mass?

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

it takes about 30 days for it to break down

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2