Respuesta :

Answer:

. 50

Step-by-step explanation:

You would round to the closest number

. 49 is closer to. 50 than. 40

Answer:

0.5

Step-by-step explanation:

How would I estimate it? I would round the 9 up to the 4 to make a 5. This would equal in the result of 0.5. Hope this helped you! :)