A 27 gram sample of a substance that's used to treat thyroid disorders has a k value of 0.1013 . N=N 0 e^ -kt N 0 = 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

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

If np3 /nc2 = 6, find the value of n

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.