Respuesta :

nataliejshu

8.5 is the answer to ur problem

vzhang607

Answer:

round 3.9 to 4 and 4.6 to 4.5 then you get lets see ... 0......18.... 5*4 is 20 then add 2 on to 4*4 is 18 then you get 180 but add the decimal point and you get 18

Step-by-step explanation:

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