Fill in the blanks below.

Question

(a) The population of a certain city increased by 49,000 people.
Write a signed number to represent this population change.

(b) Justin's test score average decreased by 16 points this semester.
Write a signed number to represent this change in average.

Answer 1

(a) The population increase of 49,000 people can be represented as a signed number: +49,000.

(b) Justin's test score average decreased by 16 points this semester can be represented as a signed number: -16.