kikimon15im2006
kikimon15im2006 kikimon15im2006
  • 03-09-2019
  • Mathematics
contestada

PLZ HELP!
Write 3.7... as a mixed number
Let x =.
10x =
9x =
x =
So 3.7 is equal to?

Respuesta :

calculista
calculista calculista
  • 10-09-2019

Answer:

3 7/9

Step-by-step explanation:

we have

3.77777... -----> is a repeating decimal

Let

x=3.7...

so

10x=37.7...

10x-x=37.7...-3.7...

9x=34

x=34/9

Convert to mixed number

34/9=(27/9)+((7/9)=3+(7/9)=3 7/9

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