akatian8676 akatian8676
  • 03-01-2020
  • Mathematics
contestada

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.

Respuesta :

nuuk nuuk
  • 06-01-2020

Answer:6

Step-by-step explanation:

Let digit be r=abc

if tens digit of [tex]\frac{r}{10}[/tex] is 3.2

i.e. [tex]\frac{r}{10}[/tex] 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

                   

Answer Link

Otras preguntas

David typed 210 words in 30 minutes. What is her rate of typing?
48 gallons in 14 minutes write rate as a fraction
Gasoline costs $2.79 per gallon Is the number of gallons proportional to the total cost
Which is an example of the bottleneck effect? Green beetles move to a new location and build a new colony there. Green beetles survive as birds don't see them
A bond between a positively-charged particle and a negatively-charged particle is a(n) _______ bond. ionic compound covalent isotopic
5.39 repeating decimal as a mixed number
What is the value of the ratio for one third of 900
What are the major tissues of the gallbladder?
5+5(x+4) less than or equal to 20
What would you have to know to estimate the biotic potential of an apple orchard?