Diane wanted to write 6.463 using expanded notation she wrote the expression below the expression is 3 * 1 + 6 * 1 + 100 + 4 * 1 + 1000 + 6 * 1 if Diane is correct explain the process you use if Diane is not correct explain that Diane might have been thinking when she made her mistake

Diane is incorrect. She should get either

or

both represent the same idea, just in different formats

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Explanation:

The first 6 is in the units or ones place value. We multiply 6 by 1.

The 4 is in the tenths place. We multiply it by or 0.1

The second 6 is in the hundredths place. We multiply it by or 0.01

The 3 is in the thousandths place. We multiply it by or 0.001

All of those products are then added up to form the original number given

It might help to line up the terms like this

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.