1

Problem

Find the product \$24 × 3.1 × 2.8\$.

2

Step

Given decimal numbers

\$24 × 3.1 × 2.8\$

3

Step

Ignore the decimal point and multiply the two numbers usually

\$(24) × (3.1) × (2.8)\$ ⇒ 20832

4

Step

After multiplication, count the number of decimal places in the given decimal number

2

5

Step

Place the decimal point in the obtained product

208.32

6

Sumup

Please summarize steps

Choices

7

Choice-A

This option is incorrect. This is close, but the value is slightly off due to rounding errors

Wrong 685.24

8

Choice-B

This option is incorrect, as the correct result is 208.32

Wrong 685.284

9

Choice-C

This option is correct, as the result is 208.32

Correct 208.32

10

Choice-D

This option is incorrect, as the correct result is 208.32

Wrong 685.248

11

Answer

Option

C

12

Sumup

Please summarize choices