Question

fill in the blanks below.
(a) a hibernating animal lost 2 pounds.
write a signed number to represent this weight change.

(b) latoyas test score average decreased by 11 points this semester.
write a signed number to represent this change in average.

Explanation:

Part (a)

Step1: Define signed number for loss

Loss of weight means a decrease, so we use a negative sign. The amount lost is 2 pounds.
<Expression> -2 </Expression>

Part (b)

Step1: Define signed number for decrease

A decrease in test score average means a negative change. The amount of decrease is 11 points.
<Expression> -11 </Expression>

Answer:

(a) \(-2\)
(b) \(-11\)