EXERCISE 1.4
1. Simplify:
(a) 7 (11+ 9)
(b) 42 + (73 –
(d) (27 +23) (68 – 58)
(e) 287​

1 thought on “EXERCISE 1.4<br />1. Simplify:<br />(a) 7 (11+ 9)<br />(b) 42 + (73 –<br />(d) (27 +23) (68 – 58)<br />(e) 287​”

1. Answer:

   (a) = 140

   (b) = Question Not Clear

   (d) = 500

   (e) = Question Not Clear

   Step-by-step explanation:

   (a) =

   [tex]7(11 + 9) = 7(20) = 140[/tex]

   (d) =.

   [tex](27 + 23)(68 – 58) = (50)(10) = 500[/tex]

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