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3. Laela wanted to buy a new tablecloth for her table, but forgot to measure it before she
went to the store. She texted her brother to ask him to measure it, but he decided to be
annoying and give her the measurements in different units. Calculate the area of the
tablecloth in m².
0.0022 km
4750 mm



Answer :

olumideolawoyin

Answer:

10.67 m²

Step-by-step explanation:

Since 1000 mm = 1m and

1km = 1000m then:

Length = 0.0022km = 0.0022 × 1000 = 2.2m

Width = 4850mm = 4850 / 1000 = 4.85m

Therefore, area of a rectangle = length × width

Area of the tablecloth

= 2.2 × 4.85

= 10.67 m²

Answer:

          10.45 m²

Step-by-step explanation:

To determine the area of the tablecloth in meters, we have to convert the length and width given by her annoying brother to meters and compute the product of the two

We note the following conversion factors:

  • 1 km = 1000 meters
  • 1 meter = 1000 mm ,
    or
    1 mm = [tex]\dfrac{1}{1000}[/tex] meters

To convert from km to meters multiply by 1000
          0.0022 km = 0.0022 x 1000 meters
                              =  2.2 meters

To convert from mm to meters divide by 1000
           4750 mm =[tex]\dfrac{4750}{1000}[/tex]  meters
                            = 4.75 meters

Area of tablecloth = 2.2 m x 4.75 m  =  10.45 m²

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