Write 10^−4 as a decimal number.

Can anyone me with 32,33,36,37,and 40.

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

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x