Question

teresa has a rectangular poster. the poster is 1.2 meters long and 0.75 meters wide. what is the area of the poster in square centimeters? do not round your answer. be sure to include the correct unit in your answer.

Explanation:

Step1: Convert length and width to centimeters

Since \(1\) meter \( = 100\) centimeters, the length \(l=1.2\) meters \(=1.2\times100 = 120\) centimeters, and the width \(w = 0.75\) meters \(=0.75\times100=75\) centimeters.

Step2: Calculate the area of the rectangle

The area formula of a rectangle is \(A=l\times w\). Substitute \(l = 120\) cm and \(w = 75\) cm into the formula: \(A=120\times75\).

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Answer:

\(9000\space cm^{2}\)