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Asked Feb 12, 2020
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Needing assistance with the equation in attached image.  W5.5

A combination lock will open when the right choice of three numbers
(from 1 to 35) is selected. How many different lock combinations are possible?
a. 1,225
b. 42,875
c. 128,625
d. 35
e. 105
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A combination lock will open when the right choice of three numbers (from 1 to 35) is selected. How many different lock combinations are possible? a. 1,225 b. 42,875 c. 128,625 d. 35 e. 105

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Step 1

Here, the three numbers (from 1 to 35) is selected.

The first event occurs in m1 different ways, the second event oc...

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