Answer:
B
Step-by-step explanation:
Answer:
The answer is 
Step-by-step explanation:
Assuming the snowball is a perfect sphere, then if A denotes the surface area and D the diameter then:

Differentiating wrt r we have:

We are told that
and we want to find 
By the chain rule we have:

∴
∴
When D=10 then

The sign (-) shows that the D is decreasing.
Answer:
Step-by-step explanation:
Answer: Was known for rising from birth among tribal nomads and ruling an empire that would eventually span 3 continents.
Step-by-step explanation:
4839400 I'm not really sure but standard form is writing a number regularly ex/the standard form of four is 4