Math · Topic 45 of 124
Powers and Exponents
⭐ MasteredAn exponent tells you how many times to multiply a number by itself. For example, 2 to the power of 3 means 2 times 2 times 2, which is 8.
💡 Fun fact
Ten to the power of 3 is one thousand.
All about Powers and Exponents
An exponent shows how many times a number is multiplied by itself.
Powers are used to write very large numbers, such as 10 to the power of 6 for one million.
The small number written up high is called the exponent, or index. It means 2 × 2 × 2, which equals 8.
Each time the exponent goes up by one, the answer is multiplied by the base again.
🎮 Try it yourself!
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Real-life uses of Powers and Exponents
- Describing very large numbers in science
- Calculating areas and volumes
- Understanding computer memory sizes
Frequently asked questions about Powers and Exponents
What does 2 to the power of 3 mean?
It means 2 times 2 times 2, which is 8.
What is 10 to the power of 3?
It is 1,000.