Question

Q17. Show that:
(a) (85 x 30)x 4 = 85 x(30 x 4)
(b) (693 + 432)+412 = 693 + (432 + 412)

Answer 1

(a) (85×30)×4 = 85×(30×4)


2550 × 4 = 85 × 120

10200 = 10200



(b) ( 693 + 432 ) + 412 =693 + (432 + 412)


1125 + 412 = 693 + 844

1537 =1537



Hope it helps you ^_^


Mark as brainliest please

Answer 2

Answer:

step by step

85*30=2550

2550*4

10200