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Mathematics, 02.12.2019 00:31 JanetQ2002
Aphone number contains 7 digits. how many different numbers can be made using the digits 0–9 if the first digit is not 0 and all of the digits can be repeated?
the options are:
a. 10 × 96
b. 9 × 107
c. 9 × 106
d. 107
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Answers: 1
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Aphone number contains 7 digits. how many different numbers can be made using the digits 0–9 if the...
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