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Mathematics 8 Online
OpenStudy (anonymous):

Account numbers for Northern Oil Company consist of five digits, If the first digit cannot be a 0, how many account numbers are possible?

jimthompson5910 (jim_thompson5910):

for the first slot, how many numbers do you have to choose from?

OpenStudy (anonymous):

what do you mean

jimthompson5910 (jim_thompson5910):

Say you have these 5 blank (for now) slots |dw:1364858543383:dw|

OpenStudy (anonymous):

ok

jimthompson5910 (jim_thompson5910):

in each slot could go numbers to make up the 5 digits so say you plug in 4, 1, 2, 6, 7 |dw:1364858611324:dw|

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