Answer:
63 two digit numbers
Step-by-step explanation:
Let remove the numbers 10,11,12,13,14,15,16,17,18,19,20,21,30,31,40,41,50,51,60,61,70,71,80,81,90,91 from numbers 10 to 99.
99-10=89
10 because we started from 10.
89-26=63
26 numbers are being removed.
Therefore, 63 two digit numbers do not contain 0 or 1.
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Answers & Comments
Answer:
63 two digit numbers
Step-by-step explanation:
Let remove the numbers 10,11,12,13,14,15,16,17,18,19,20,21,30,31,40,41,50,51,60,61,70,71,80,81,90,91 from numbers 10 to 99.
99-10=89
10 because we started from 10.
89-26=63
26 numbers are being removed.
Therefore, 63 two digit numbers do not contain 0 or 1.