Answer:
(a)[tex]-4+9[/tex]
(b)[tex]-2 \times 3[/tex]
Step-by-step explanation:
Part A
Moving 4 steps left, then moving 9 steps right
When you move left, we indicate with a negative sign while a move right is indicated with a positive sign.
Moving 4 steps left = -4
Moving 9 steps right = +9
Therefore, an expression for the statement is:[tex]-4+9[/tex]
Part B
When you lose or owe in word problems, it is usually indicated using a negative sign.
Therefore, the statement Shari lost 2 pencils can be represented with the integer: -2
Since Shari lost 2 pencils on 3 occasions, we simply have:
[tex]-2 \times 3[/tex]