Cents were struck at all 3 active mints in 1928 - Philadelphia (no mint mark), Denver (D) and San Francisco (S). AFAIK there are no known sub-varieties from that year.
There's a list of values at the site below:
7 different pennies
The answer will depend on which country's pennies the question is about. Many countries have pennies in their currency - including the US where a penny is a cent! Most of these coins are of different and so no answer is possible.
10 different American pennies have been produced in the history of America.
Each Line is a Different Way (11 Ways)100 Pennies & 0 Dimes90 Pennies & 1 Dimes80 Pennies & 2 Dimes70 Pennies & 3 Dimes60 Pennies & 4 Dimes50 Pennies & 5 Dimes40 Pennies & 6 Dimes30 Pennies & 7 Dimes20 Pennies & 8 Dimes10 Pennies & 9 Dimes0 Pennies & 10 Dimes
100 pennies = 100 [pennies].
7 different pennies
The answer will depend on which country's pennies the question is about. Many countries have pennies in their currency - including the US where a penny is a cent! Most of these coins are of different and so no answer is possible.
10 different American pennies have been produced in the history of America.
None. Those are two different types of measurements.
I am assuming this means what different combinations of coins would add up to 17 cents. You could have one dime, one nickel and 2 pennies, 1 dime, 7 pennies 3 nickels, 2 pennies 2 nickels, 7 pennies 1 nickel, 12 pennies 17 pennies
Each Line is a Different Way (11 Ways)100 Pennies & 0 Dimes90 Pennies & 1 Dimes80 Pennies & 2 Dimes70 Pennies & 3 Dimes60 Pennies & 4 Dimes50 Pennies & 5 Dimes40 Pennies & 6 Dimes30 Pennies & 7 Dimes20 Pennies & 8 Dimes10 Pennies & 9 Dimes0 Pennies & 10 Dimes
10 pennies...
100 pennies = 100 [pennies].
34
50 pennies of course.
There are many countries that have pennies as their minor currency unit and they have different masses. Since you have chosen not to state which country's currency the question is about, it is not possible to provide a more useful answer.
There are many countries which use pennies as their minor currency units - including the US where they refer to cents as pennies! These coins are of different widths and without knowing which country the question refers to, it is not possible to give an answer.