1.

What is the decimal expansion of 2.52 when 2 above is bar

Answer»

Answer: 227.90

Step-by-step explanation:

Let x = 2.52222222....... (1)

Therefore, we will MULTIPLY both SIDES by 10

10 × x = 10 × 2.5222222.......

10X = 25.2222222....... (2)

Now, subtracting (2) from (1)

10x - x = 25.2222222....... - 2.522222222........

9x = 22.7

x = 22.7/9

x = 227/90

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