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Julius and Walt are finding the product of 25 and 18.
Walt
Julius
25
X 18
250
+ 200
550
25
X 18
200
160
400
+ 50
810
Part 1 out of 3
Julius' answer is incorrect
What did Julius do wrong? Select the correct answer to complete the statement.
Julius multiplied 25 by ? and then multiplied 25 by 8 correctly. He added the two
partial products ?
Check
Next


Sagot :

What Julius did wrong is that, he added the partial products incorrectly

Julius product is given as:

2 5

1  8

-----

250

200

-----

550

The above product can be represented as (as given on Julius solution):

[tex]25 \times 18 = 250 + 200[/tex]

[tex]25 \times 18 = 550[/tex]

The actual solution using partial products

We have:

[tex]25 \times 18 = 25 \times (10 + 8)[/tex]

Expand

[tex]25 \times 18 = 250 + 200[/tex]

[tex]25 \times 18 = 450[/tex]

By comparing, we can conclude that:

Julius multiplied 25 by 10 and 25 by 8 correctly, but he added the partial products incorrectly

Read more about partial products at:

https://brainly.com/question/669360