Dividing by 0.1 and 0.01 | Summary and Q&A

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June 19, 2019
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Khan Academy
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Dividing by 0.1 and 0.01

TL;DR

Dividing by 1/10 is the same as multiplying by 10, and dividing by 1/100 is the same as multiplying by 100.

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Key Insights

  • 🗂️ Dividing by 1/10 is the same as multiplying by 10.
  • 🗂️ Dividing by 1/100 is the same as multiplying by 100.
  • 😑 Expressing division by fractions as multiplying by the reciprocal simplifies the problem.

Transcript

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Questions & Answers

Q: What is the result of dividing 2 by 1/10?

When you divide 2 by 1/10, it is equivalent to multiplying 2 by 10, which equals 20.

Q: What is the result of dividing 7 by 1/10?

Dividing 7 by 1/10 is the same as multiplying 7 by 10, resulting in 70.

Q: How can we approach dividing by fractions differently?

Instead of directly dividing, we can express it as multiplying by the reciprocal. For example, 2 divided by 1/10 is the same as 2 times 10.

Q: What happens when we divide by a hundredth?

When dividing a number by 1/100, it is equivalent to multiplying it by 100. For instance, dividing 6 by 1/100 gives us 600.

Summary & Key Takeaways

  • Dividing a number by 1/10 is equivalent to multiplying it by 10.

  • Dividing a number by 1/100 is equivalent to multiplying it by 100.

  • When dividing by fractions, one can express it as multiplying by the reciprocal.

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