A teacher will select 7 students in a class of 10 to participate in a social experiment. How many different groups are possible?

hi,

3. 12.15, you are correct.

4.2.01, your first digit is correct,

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step-by-step explanation:

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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