Simplified and only positive exponents do not solve

    m^2

.

 3 n^4

Step-by-step explanation:

The easiest approach here to obtain only positive exponents is to invert the entire quantity inside parentheses:

From  the given expression we get the equivalent expression

           1

.

 3 m^(-2) n^4

                                                                                               1

Given that we want only positive exponents, rewrite   as m^2:

                                                                                           m^(-2)

    m^2

.

 3 n^4

This is the final answer.

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

an = 22 + (n-1) *6

110 seats

step-by-step explanation:

an=a1+(n-1)(d)

a1 = 22   this is the first item in the sequence

d =6   this is how the sequence goes up

a)   an = 22 + (n-1) *6

b) a12 = 22 + (12-1) *6

    a12 = 22+11*6

  a12 = 22 +88

  a12 = 110