Solve Decimal Multiplication: 0.4 × 115

0.4×115= 0.4\times115=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 Multiply each digit by each digit, and place in the appropriate position
00:10 Calculate and place, add the tens digit when needed
00:22 Move to the next digit, calculate and place in the appropriate position
00:29 Any number multiplied by 1 always equals itself
00:37 Move to the next digit, calculate and place in the appropriate position
00:42 Connect the results
00:47 Sum up the digits after the decimal point
00:50 Based on this sum, place the decimal point
00:55 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

0.4×115= 0.4\times115=

2

Step-by-step solution

To solve this problem, we need to calculate the product of 0.40.4 and 115115.

First, let's perform the multiplication:

Multiply 115115 by 0.40.4:

115×0.4=46 115 \times 0.4 = 46

Here's how the calculation works step-by-step:

  • Consider 0.40.4 as 410\frac{4}{10}.
  • Therefore, the multiplication becomes 115×410115 \times \frac{4}{10}.
  • Perform the multiplication first: 115×4=460115 \times 4 = 460.
  • Then divide by 1010 to manage the decimal place:46010=46 \frac{460}{10} = 46.

Thus, the solution to the problem is 4646.

3

Final Answer

46 46

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\( 0.26\times10= \)

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