Iuciuc
a. 3 x 10 +5 x 1+2(+7(+6xg)
x 10 + 5 x 1+ 2x
+7x
+ 6
x
10
100
(1000)
b.
9 x 100 + 2 x 10+ 3 x 0.1 + 7 x 0.001
+ 5
x
c. 5 1000 + 4 x 100 + 8 x 1
(100)
(1000)

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