Data Handling-Probability Statistics - Grade 9 (Question: 1605717826) Locked
How many 2-digit numbers can be formed from the digits 1, 5, 7, 9 if repetition of digits is allowed ?
A. 8
B. 12
C. 16
D. 20

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How many 2-digit numbers can be formed from the digits 1, 5, 7, 9 if repetition of digits is allowed ?
A. 8
B. 12
C. 16
D. 20
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