Respuesta :

Answer:

3.4

Step-by-step explanation:

70cm +1.5m+1.20m

Since 70 is in cenimeters you have to convert it to meters

70cm=0.7m

So then you add them all up

0.7+1.5= 2.2

2.2+1.2= 3.4

So the answer is 3.4

Hope this helped!