Answer:
30.17 cm
Step-by-step explanation:
area of a circular disc=π*r^2
derivative of area=2*π*r
maximum error= derivative * error in radius
i.e . 2*π*r*0.2
$9.90
Its C. 5x +4
Correct, it is 15
Because 3 turns into 9, you also want to multiply the other by 3, so you’d do 5x3 to get 15
C - 3(2^x).