will medal and fan ......Three wires are 6.5 m, 8.19 m, and 4.457 m long.

What is the total length of the wires?

Give your answer with the appropriate precision.

A.
19 m

B.
19.0 m

C.
19.1 m

D.
19.147 m

Question

will medal and fan ......Three wires are 6.5 m, 8.19 m, and 4.457 m long. 
 
What is the total length of the wires? 
 
Give your answer with the appropriate precision.
 
 A.
19 m
 
 B.
19.0 m
 
 C.
19.1 m
 
 D.
19.147 m

mle · Answer

total length
so you add the numbers up
what do you get when you do that?

anonymous · Answer

12.647 ??

anonymous · Answer

@mLe

mle · Answer

...?
6.5 + 8.19 + 4.457 = ?

anonymous · Answer

sorry it is 19.147 lol

mle · Answer

yes
...
and I'm guessing you are on the topic of Significant Figures
does that tern sound familiar?

anonymous · Answer

i believe so i think.... not really sure

mle · Answer

if you are using significant figures
you would round your answer to have only 2 digits
because that is the lowest number of significant figures you have out of all the addends

anonymous · Answer

ok cool thnks for the advice

mle · Answer

not really advice
I'm trying to get you to the right answer

anonymous · Answer

well thankyou

mle · Answer

if this has to do with significant figures, D is Not the answer

glad I could help

anonymous · Answer

@mle Appropriate precision not accuracy