Antoine wants to convert millimeters into kilometers. which operation should he choose? he should multiply millimeters by 1,000. he should divide millimeters by 1,000. he should multiply millimeters by 1,000,000. he should divide millimeters by 1,000,000.ntoine wants to convert millimeters into kilometers. which operation should he choose? he should multiply millimeters by 1,000. he should divide millimeters by 1,000. he should multiply millimeters by 1,000,000. he should divide millimeters by 1,000,000.

The answers is the last option, which is: He should divide millimeters by 1,000,000.

The explanation for this exercise is shown below:

1. 1 Kilometer has 1,000,000 milimeters. Therefore, to convert milimeters to kilometers you should divide by 1,000,000.

2. For example, if you want to convert 50,000 milimeters to kilometers, you must apply the following proccedure:

He should divide millimeters by 1,000,000.

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