1. which expression is equivalent to −2.1+(−5.9)+(−3.7) ?
−2.1−(5.9+3.7)
−(2.1−5.9)+(−3.7)
(2.1+5.9+3.7)
(2.1+5.9)+(−3.7)
2. which expression is equivalent to −40+(−20)+(−60) ?
−(40−20)+(−60)
−20+(−40)+(−60)
−40−(20−60)
40+20+60
3. select from the drop-down menu to correctly identify the property shown.
(associative, commutative, distributive)
−1.4+(−2.6+3.8)=(−1.4+(−2.6))+3.8 4. select from the drop-down menu to correctly identify the property shown.
(associative, commutative, distributive)
−7.9+(−9.03+(−0.1))=−7.9+(−0.1+(−9. 03))
5. use properties of addition to evaluate the expression.
−35+7+(−15)
enter your answer in the box.