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Mama L [17]
3 years ago
13

Estimate the product. Solve using an area model and the standard algorithm. Remember to express your products in standard form.

33.2 × 21 ≈ _______ × _______ = _______ Show your estimation and area model on your paper. Then solve using the standard algorithm. What is the answer?
Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0

Answer:

Step-by-step explanation:

Using the area model and standard algorithm, we have:

                332   (tenths)

         <u> ×       21  </u>

                332

        <u>      664     </u>

        <u>      6972  </u> tenths = 697.2

<u />

              30      +      3      tenths

     1       300           32         332

    20     600           64         664

33.2 × 21 =<u>    30    </u> × <u>    1     </u>  =  <u>      30     </u>

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
If the perimeter of the regular decagon shown above is 136 1/4 inches, what is the length of each side?
victus00 [196]
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Ideally you should always post the diagram to help us see the entire problem; however, the diagram is not needed in this case because we are told the figure is regular decagon. So there are 10 sides and each side is the same length. If each side is x inches long, then the perimeter is 10x inches.

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