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Questions and Answers
What is an exponent?
What is an exponent?
- A number that indicates the power to which another number is raised (correct)
- A fraction representing a part of a whole
- The process of finding the value of a mathematical expression
- The result of multiplying a number by itself
What does the term 'power' refer to in mathematics?
What does the term 'power' refer to in mathematics?
- A whole number greater than 1
- The process of adding several numbers together
- The operation of dividing one number by another
- The result of raising a number to an exponent (correct)
What does 2^3 represent?
What does 2^3 represent?
- The result of adding 2 and 3 together
- The result of subtracting 3 from 2
- The result of dividing 3 by 2
- The result of multiplying 2 by itself 3 times (correct)
What is the result of 5^2?
What is the result of 5^2?
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In the expression 3^4, what does the number 4 represent?
In the expression 3^4, what does the number 4 represent?
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What is the value of 2^0?
What is the value of 2^0?
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Study Notes
Exponents and Powers
- An exponent is a small number that tells how many times a base number should be multiplied by itself.
- In mathematics, the term 'power' refers to the operation of raising a number to an exponent.
Exponent Notation
- The notation
a^nrepresentsaraised to the power ofn, whereais the base andnis the exponent. - For example,
2^3represents 2 multiplied by itself 3 times, i.e., 2 × 2 × 2 = 8.
Calculating Powers
- The result of
5^2is 5 multiplied by itself 2 times, i.e., 5 × 5 = 25. - In the expression
3^4, the number 4 represents the exponent, which means 3 is multiplied by itself 4 times, i.e., 3 × 3 × 3 × 3.
Special Case: Any Number to the Power of 0
- The value of
2^0is 1, since any number raised to the power of 0 is equal to 1.
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