Question

please explain
a) express 4 rasied to the power-6 as a power base 2 and positive exponent.
b) express (19/27) rasied to the power-27 with positive exponent.
please explain showing working
​

Answer 1

Step-by-step explanation:

(a) 4^(-6)

=( 2²)^-6

= 2^(-12)

= 1 / 2^12. since a^-n = (1/a)^n

(b) (19/27)^-27

= (27/19)^27. since (a/b)^-n = (b/a)^n

hope this helps you