Question

round 2: choose and collect descriptions of the shaded area in the model shown.
area = 0.27
area = 2.7
length × width = 0.9 × 0.3
collect them all!
lets play \collect them all!

Explanation:

Step1: Recall the formula for the area of a rectangle

The area of a rectangle is given by \(A = \text{length}\times\text{width}\).

Step2: Substitute the given values

Here, length \(l = 0.9\) and width \(w=0.3\). So, \(A=0.9\times0.3\).

Step3: Perform the multiplication

\(0.9\times0.3=(9\times0.1)\times(3\times0.1)=(9\times3)\times(0.1\times0.1)=27\times0.01 = 0.27\)

Answer:

\(0.27\)