Solve the Decimal Multiplication: 2.78 × 10 Step by Step

Question

2.78×10= 2.78\times10=

Video Solution

Solution Steps

00:00 Solve
00:03 According to the number of zeros, move the decimal point
00:08 Move the decimal point as many places as zeros
00:19 And this is the solution to the question

Step-by-Step Solution

To solve multiplying the decimal number 2.78 2.78 by 10 10 , we'll apply the rule of moving the decimal point:

  • Step 1: Identify the decimal number, which is 2.78 2.78 .
  • Step 2: Recognize that when multiplying by 10 10 , the decimal point shifts one place to the right.

By shifting the decimal point one position right, 2.78 2.78 becomes 27.8 27.8 .

This operation shows that multiplying by 10 10 effectively scales the value up by one power of ten.

Therefore, the solution to the problem is 27.8 27.8 .

Answer

27.8 \text{27}.8