"A malted milk ball with a radius of (0.20 in) is coated with chocolate. What is the surface area of the chocolate? Ignore the thickness. Leave your answer in terms of π."

The answer i got was 0.5024, is this correct?

Question

"A malted milk ball with a radius of  (0.20 in) is coated with chocolate. What is the surface area of the chocolate? Ignore the thickness. Leave your answer in terms of π."

The answer i got was 0.5024, is this correct?

phi · Answer

Leave your answer in terms of π.

It looks like you multiplied by 3.14, which is not what they want.

shane_b · Answer

$$SA=4pir^2$$

anonymous · Answer

Not to be rude but I know the formula I just don't know if I did it right. 
Phi what do you mean when you say thats not what they want?

phi · Answer

the question says :  leave your answer in terms of pi.  that means they want
0.16 pi 
not 0.16*3.14= 0.5024

anonymous · Answer

So it would only be 0.16?

phi · Answer

not quite.  the answer is $ 0.16 \pi $
remember that $ \pi $ is goes on forever, and 3.14 is only a close approximation.  The exact answer leaves s the pi in the answer.

phi · Answer

Here are more digits of pi http://www.piday.org/million.php

anonymous · Answer

Ohh okay, I see what you mean. Thank you.