Expression 1

6 x 7 - 3^2 x 9 + 4^3 =

Expression 2

5 + 4 x 2 + 6 - 2 X 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.

Answer:

I double my number and add eight I get plus twelve

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