Asked by Chicken nugget Lover
                A rectangle has length 9.3 x 10^2cm and width 8.1 x 10 cm.  Which of these statements are true?  There is more than 1 true statement to choose.
The area of the rectangle is 7.533 x 10^4 cm^2
The perimeter of the rectangle is 1.71 x 10^3 cm
The length of the rectangle is approximately 1.15 x 10 times the width of the rectangle
The length of the rectangle squared is approximately 8.65 x 10^5
            
        The area of the rectangle is 7.533 x 10^4 cm^2
The perimeter of the rectangle is 1.71 x 10^3 cm
The length of the rectangle is approximately 1.15 x 10 times the width of the rectangle
The length of the rectangle squared is approximately 8.65 x 10^5
Answers
                    Answered by
            Chicken nugget Lover
            
    please help asap
    
                    Answered by
            mathhelper
            
    I would not even use scientific notation for these numbers, and reserve the notation for either
very large numbers or very small numbers. For this question, the notation just gets in the way.
your length is 9.3 x 10^2 cm or just plain 930 cm
your width is 8.1 x 10 or 81 cm
so your area is (930)(81) = 75330 cm^2 or 7.533 x 10^4 cm^2
the perimeter is 2(930+81) = 2022 cm or 2.055 x 10^3
length divided by width = 930/81 = 11.4815 = 1.14815 x 10 , I see a 1.15, ok then!
length squared = 930^2 = 864900 = 8.649 x 10^5 , I see a 8.65 , ok then
    
very large numbers or very small numbers. For this question, the notation just gets in the way.
your length is 9.3 x 10^2 cm or just plain 930 cm
your width is 8.1 x 10 or 81 cm
so your area is (930)(81) = 75330 cm^2 or 7.533 x 10^4 cm^2
the perimeter is 2(930+81) = 2022 cm or 2.055 x 10^3
length divided by width = 930/81 = 11.4815 = 1.14815 x 10 , I see a 1.15, ok then!
length squared = 930^2 = 864900 = 8.649 x 10^5 , I see a 8.65 , ok then
                    Answered by
            denki kaminari aka pikachu's dad
            
    thanks man
    
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