Simplify each exponential expression using the properties of exponents and match it to the correct answer

step-by-step explanation:

the first expression is:

second expression:

third expression:

fourth expression:

fifth expression:

..

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

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