1

Problem

Calculate the value of 156 × 2.55.

2

Step

Given problem

156 × 2.55

3

Step

Ignore the decimal point and multiply the two numbers usually

156 × 2.55 = 39780

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

\$397.80\$

6

Sumup

Please summarize steps

Choices

7

Choice-A

This is incorrect because the product does not equal 388.5

Wrong 388.5

8

Choice-B

This is incorrect. This value is too low compared to the actual result

Wrong 366.6

9

Choice-C

It is correct because it represents the correct result of the multiplication

Correct 397.8

10

Choice-D

This is also incorrect. Similar to the option "a", it is close but not correct

Wrong 387.5

11

Answer

Option

C

12

Sumup

Please summarize choices