calculate the following using suitable arrangements: a) (-142)+(-58)+200 b) 123 x 7+ 123 x 3 c) (-50) x 125 x (-6) x 8 Share with your friends Share 1 Anuradha Sharma answered this Hi, -142+-58+200= -142-58+200= -142-58+200= -200+200= 0 2;-123×7+123×3= 1237+3= 123×10=1230 3;--50×125×-6×8 = 50×125×6×8 since -ve multiply -ve = positive= 50×6×125×8= 300×1000= 300000 3 View Full Answer Rose M answered this please make it fast and with explanations 2