B9/b-3 answer with a positive exponent only

b^12

Step-by-step explanation:

(b^9) / (b^-3)

exponent rule : (b^x) / (b^y) = b^(x - y)

(b^9) / (b^-3) = b^(9 - (-3) = b^(9 + 3) = b^12 <==

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step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads