Mathematics, 28.10.2019 20:31, 21hendlill

(score for question 1: of 4 points)
1. refer to expression 1 and expression 2.
expression 1
6-7-32.9+43
expression 2
5+ 4.2 + 6-2.2-1
(a) what is the value of expression 1?
(b) insert parentheses in expression 2 so that it has a value of 19. then show why your expression has a
value of 19.

Answers: 3

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(score for question 1: of 4 points)
1. refer to expression 1 and expression 2.
expressio...