The password to sally cell phone has to be four digits and she can use the numbers 0-9 she is allowed to repeat the same number
multiple times. Which option shows how to calculate the total number of passwords sally could create
1 answer:
if there is 4 digits and 9 numbers each there is a possibility of 9 to the power of 4 different combinations.
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Answer:
the answer is a
Step-by-step explanation:
y = -2x +1
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