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The goal is to change 186,000 miles to centimeters. We do not have to do anything for the seconds, because it is already in seconds. So, this is what you would do
Notice, that by the set up we an cancel the miles, the ft, and the inches. This leaves us with centimeters. By the set up, we also know that we must multiply 186,000 x 5280x 12*2.54. That gives us the centimeters .
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