Question

Which is the value of this expression when a=5 and k=-2 (3^2a^-2/3a^-1)^k

Answer 1

Explanation:

so by the power of a power rule we know that when you raise a power to another power you have to multiply the powers.

so i my oponion it would be 3 to the 10th* -2/15*-1= 10 times 2/15*-2

which in my oponion should be 3 to the negative 4/15