IF s = -4 and t = 2 , what is 3s + 6t?

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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

Write the equations in logarithmic form 9^4=6,561