Solve the Decimal Division: 1.100 ÷ 100 Step by Step

Decimal Division with Power of Ten

1.100:100= 1.100:100=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:04 According to the number of zeros, move the decimal point
00:09 Move the decimal point as many places as zeros
00:21 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

1.100:100= 1.100:100=

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Understand the concept of dividing by 100
  • Step 2: Apply this concept to 1.100 by moving the decimal point two places to the left
  • Step 3: Verify the final answer against the choices provided

Now, let's work through each step:

Step 1: When dividing a number by 100, move the decimal point two places to the left. This is because 100 is 10210^2, so we shift the decimal point by two places.

Step 2: Starting with the number 1.100, we move the decimal point two places to the left. The decimal point moves as follows:

  • The original number is 1.1001.100.
  • Moving the decimal one place to the left gives 0.11000.1100.
  • Moving the decimal another place to the left results in 0.011000.01100.

Thus, moving two places gives us 0.011000.01100, which is equivalent to 0.0110.011 when removing trailing zeros.

Step 3: We check our work against the answer choices:

  1. 0.010.01
  2. 0.110.11
  3. 0.0110.011
  4. 0.10.1

The correct solution 0.0110.011 corresponds to choice 3.

Therefore, the solution to the problem is 0.0110.011.

3

Final Answer

0.011 0.011

Key Points to Remember

Essential concepts to master this topic
  • Rule: Dividing by 100 moves decimal point two places left
  • Technique: 1.100 becomes 0.01100, then simplify to 0.011
  • Check: Multiply 0.011 × 100 = 1.100 to verify answer ✓

Common Mistakes

Avoid these frequent errors
  • Moving decimal point the wrong direction
    Don't move the decimal point to the right when dividing by 100 = makes number larger instead of smaller! Division should make the number smaller. Always move decimal point LEFT when dividing by powers of 10.

Practice Quiz

Test your knowledge with interactive questions

\( \text{0}.07\times10= \)

FAQ

Everything you need to know about this question

Why do I move the decimal point two places for 100?

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Because 100 = 102 10^2 , which means two powers of 10. Each power of 10 requires moving the decimal one place left when dividing.

What if I don't have enough digits to move left?

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Add zeros to the left of your number! For example, with 1.100, moving left twice gives 0.01100, where we added a zero.

Should I keep trailing zeros in my final answer?

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Usually not - you can remove trailing zeros after the decimal point. So 0.01100 becomes 0.011, but both are mathematically equal.

How can I check my work without a calculator?

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Use the opposite operation! Since you divided by 100, multiply your answer by 100. If you get back to your original number, you're correct!

Does this work for other powers of 10?

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  • ÷ 10: Move decimal 1 place left
  • ÷ 100: Move decimal 2 places left
  • ÷ 1000: Move decimal 3 places left

The pattern continues for any power of 10!

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