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boyakko [2]
3 years ago
11

Sebastian made the following model to find the product 17 x 24 is his model correct explain

Mathematics
2 answers:
Grace [21]3 years ago
7 0

Answer:

No, it is not correct.

Step-by-step explanation:

Here, the given problem,

17 × 24

∵ 17 = 10 + 7

And, 24 = 20 + 4

Thus, 17 × 24 = (10 + 7)(20 + 4)

= 10 × 20 + 10 × 4 + 7 × 20 + 7 × 4

= 200 + 40 + 140 + 28

= 408

By comparing the above steps and Sebastian's model,

It is clear that he did incorrectly multiply 7 by 20,

i.e. he must write 140 instead of 40 while adding.

Verdich [7]3 years ago
3 0
Sebastian's model is not correct because 20x7 does not equal 14.
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