Find the circumferences of both circles to the nearest tenth. -5 cm
5 cm
The circumference of the blue circle is about 7 cm.
The circumference of the orange circle is about
cm.

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days