1

Problem

Identify the large decimal number:

2

Step

When comparing decimals, compare the whole number parts first.

3

Step

In this case, the whole number part of all decimals is different and 9 is the highest.

4

Solution

Out of the given decimal numbers,9.9 is the largest.

5

Sumup

Please summarize steps

Choices

6

Choice-A

This option has a smaller whole number (4) and a smaller decimal (0.9) than 9.9

Wrong 4.9

7

Choice-B

This option has a smaller whole number (7) and a smaller decimal (0.9) than 9.9

Wrong 7.9

8

Choice-C

This option has the biggest whole number (9) and the largest decimal (0.9) of all the choices

Correct 9.9

9

Choice-D

This is not accurate because option C is the right answer

Wrong None of the above

10

Step

Option

C

11

Sumup

Please summarize choices