Question

Which of the following is in descending order?

• A. 2.0, 2.1, 2.2
• B. 2.2, 2.1, 2.0
• C. 2.2, 2.0, 2.1
• D. 2.2, 2.0 ,2.1

Answer 1

The correct option is B 2.2, 2.1, 2.0

Let's arrange the given numbers in the place value table. Ones . tenths 2 2 2

.	0
.	1
.	2

Starting from left column,
$\Rightarrow$ The digits in the ones place are the same for all the numbers (2.0 and 2.1 and $\underset{–}{2}.2$)

$\Rightarrow$ Compare the digits in the tenths place. 2 > 1 > 0.
Hence, $2.\underset{–}{2}>2.\underset{–}{1}>2.\underset{–}{0}$