Question

......... is calculator by dividing the sum of all the observation be the total​

Answer 1

Answer:

Arithmetic is your answer

Step-by-step explanation:

I hope it is helpful

Answer 2

Answer:

Yes

Step-by-step explanation:

Anything multiplied by observatory "0" will give u 0 and anything devided by 0 will give your the number it is being divided by. same for other calculatons on the calculator