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(a) The population of a certain city decreased by 16,000 people.Write a signed number to represent this population change.(b) A growing animal gained 2 pounds.Write a signed number to represent this weight change.

a The population of a certain city decreased by 16000 peopleWrite a signed number to represent this population changeb A growing animal gained 2 poundsWrite a s class=

Respuesta :

(a)

Since the population is decreasing by 16000, we can express this change as:

[tex]-16000[/tex]

(b) Since the animal is gaining 2 lb, we can express the change as:

[tex]+2[/tex]

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