What is the tens digit of the positive integer r ? 1) the tens digit of r/10 is 3. 2) the hundreds digit of 10r is 6.

6

Step-by-step explanation:

Let digit be r=abc

if tens digit of is 3.2

i.e. is written as ab.c

so tens digit is a=3

If the hundreds digit of 10r is 6

i.e. 10r is written as abc0

its hundreds digit is b=6

thus tens digit of abc is b=6

a

step-by-step explanation:

answer: what are the answer choices?

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