Nia answered correct answers = 80% of the 40 questions
When we remove % sign from a number, we divide that number by 100
=
of 40
=
Cancelling the two zeroes from numerator and denominator,
= 
= 32.
Total correct answers answered by Nia = 32
After using distributive property and combining like terms the answer is -2
we know that
For a spherical planet of radius r, the volume V and the surface area SA is equal to

The
ratio of these two quantities may be written as

we know


therefore
the answer is

Answer:
pls be more cleare
Step-by-step explanation:
type the question properly and clearly
Answer:
324
Step-by-step explanation:
Simplify it