Simplify 9^2 over 9^7
9^5
1 over 9^9
1 over 9^-5
1 over 9^5

1/9^5

Step-by-step explanation:

shown and pictured

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce