Question

Which of the following is the decimal equivalent for the given model?

• A. $\text{3}.123$
• B. $\text{0}.3123$
• C. $\text{0}.323$
• D. $\text{3}.003$

Answer 1

The correct option is A

$\text{3}.123$

In the given model, 3 cubes are there.

Each cube represents 1.

There is 1 flat.
It represents 0.1

There are 2 rods. Each rod is equivalent to 0.01

Hence, two rods are equivalent to 0.02

There are 3 units.

Each unit is equivalent to 0.001.

Hence, 3 units represents 0.003.

Hence, the model is equivalent to

= 3+0.1+0.02+0.003 = 3.123