SOLUTION: Use 10 unit multipliers to convert 4,000,000 square miles to square kilometers.

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Question 1128565: Use 10 unit multipliers to convert 4,000,000 square miles to square kilometers.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Why ten of them?

1 miles is 5280 feet;
1 foot is 12 inches;
1 inch is 2.54 centimeter;
100 centimeters is 1 meter;
1000 meters is 1 kilometer.

You would use each of those five conversions, twice, making "ten" of them.