The main advantage of the metric system and it's use is that it Does not require knowledge of math to use it. A person having non or low level of knowledge can use it.
V = 130 mL
m = 0.250 lb = 113.398 g
Density: d = m/V
d = 113.398 g / 130 mL
d = 0.8722923 g / mL
Answer: 80
Step-by-step explanation:
Parameterize
by

with
and
. Take a normal vector to
,

which has norm

Then the integral of
over
is

