Angellenviz
Answered

Use and name the properties to simplify the following :

1.) 17+42+3
2.) (12x7)+(13x12)
3.) (78x1)+(99x78)

PLEASE ANSWER :( :*

Sagot :

JthanSCOUTviz
1) 17+42+3 = 62 (Addition Property)
2) (12x7)+(13x12) (Multiplication Property)
  =84+156 = 240 (Addition Property)
3) (78x1) (Identity Property of Multiplication) + (99x78)
  =78+7722 = 7800 (Addition Property)