Respuesta :

Answer:

4. 7/100

5. -3 85/99

6. 26/33

7. 2 27/50

Step-by-step explanation:

4.

0.07 = 7/100

5.

We need to change 0.8585... into a fraction.

   100x = 85.8585...

(-)       x =  0.8585...

-----------------------------

      99x = 85

x = 85/99

-3.858585... = -3 85/99

6.

    100x = 78.7878...

(-)        x =   0.7878...

------------------------------

       99x = 78

x = 78/99

x = 26/33

0.787878... = 26/33

7.

2.54 = 2 + 0.54 = 2 + 54/100 = 2 + 27/50 = 2 27/50