Answer:
1.) 3abc+bc-a
= 3(4)(-5)(0.6)+(-5)(0.6)-(4)
=3(4)(-3)+(-3)-(4)
=3(-12)+(-7)
= -36+(-7)
= -43
2.) bxy+5ab-ay
= (-5)(-3)(0.4)+5(4)(-5)-(4)(0.4)
=(-5)(-1.2)+5(-20)-(1.6)
= -6+(-100)-(1.6)
= -6+(-101.6)
= -107.6
Step-by-step explanation:
:)
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Answers & Comments
Answer:
1.) 3abc+bc-a
= 3(4)(-5)(0.6)+(-5)(0.6)-(4)
=3(4)(-3)+(-3)-(4)
=3(-12)+(-7)
= -36+(-7)
= -43
2.) bxy+5ab-ay
= (-5)(-3)(0.4)+5(4)(-5)-(4)(0.4)
=(-5)(-1.2)+5(-20)-(1.6)
= -6+(-100)-(1.6)
= -6+(-101.6)
= -107.6
Step-by-step explanation:
:)