Question

in a 2-digit number , the ones and tens digits are a and b respactively . what is the number.​

Answer 1

$12 \\ 23 \\ 34 \\ 45 \\ 56 \\ 67 \\ 78 \\ 89$

Or just

$ab$

Answer 2

Answer:

10×b+a

10b+a

Step-by-step explanation:

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