The blanket area is 40,500 cm²
Further explanation
The blanket measurement is
length = 2.25 m
width = 1.8
AREA = length x width
= \(\boxed {2.25 \times1.8 }\)
To multiply the decimal numbers, we are going to multiply them as the whole numbers
2.25 ⇒ 2 decimal place
1.8 x ⇒ 1 decimal place
1800
225 +
4.050 ⇒ 3 decimal place
So, we get the area of the blanket is 4.050 m². The next step is to convert the unit from meter square to centimetres square
\(\boxed {1 m = 100 cm\ }\)
\(\boxed {(1m)^{2} = 100^{2} cm}\)
so
\(=\boxed {4.050 \times100^{2}\ }\\ =\boxed {40500\ }\)
The blanket's area is 40500 cm²
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Keywords: multiplication, standard algorithm, area model,decimal number multiplication, additional, unit conversion
