Answer:
A. 56.54867 rounded to 56.56
Step-by-step explanation:
18/2=9
r=9
C=2πr=2·π·
C=2(3.14)(9)
9≈56.54867
true and false
26.67X10^-2 would be incorrect since the decimal is in the wrong place.
the answer is 11
you need to add 9 with 2
i think the KFC thecnique cant be use in this question
Answer: C