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AleksandrR [38]
3 years ago
6

Jillian is using integer tiles to add 7 + (-2). She uses the steps below. Jillian has made an error . In which steps does it occ

ur?

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0

Answer:

Jillian has made an error in steps 4.

Step-by-step explanation:

Given : Jillian is using integer tiles to add 7 + (-2).

To find : Jillian has made an error . In which steps does it occur.

Solution : We have given   integer tiles to add 7 + (-2).

Step 1 :  Jillian take the + 7  tiles , that is correct

Step 2 : Now , Jillian take another - 2 tile , that is also correct.

Step 3 : In this + 2 tiles  cancel the  -2 tile from +7 tiles.

Step 4 : Now he get 2 that is wrong because from the step 3 we get + 5 tile after canceling  + 2 tiles from + 7.

Therefore,  Jillian has made an error in steps 4.

Artyom0805 [142]3 years ago
5 0
Step 4 is the occur.
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