ISEE Upper Level Math : Exponents

Study concepts, example questions & explanations for ISEE Upper Level Math

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Example Questions

Example Question #21 : Exponential Operations

If , find the value of:

 

Possible Answers:

Correct answer:

Explanation:

Based on the power rule for exponents we can write:

 

 

That means; to raise a power to a power we need to multiply the exponents. So we can write:

 

 

Substitute and we get:

 

Example Question #3 : How To Multiply Exponents

Simplify:

Possible Answers:

Correct answer:

Explanation:

Based on the power rule, we know that in order to raise a power to a power we need to multiply the exponents, i.e.

.

 

Example Question #23 : Exponents

Simplify:

Possible Answers:

Correct answer:

Explanation:

The Negative Exponent Rule says .

The power rule says that, in order to raise a power to a power, we need to multiply the exponents, i.e. .

 

Example Question #71 : Numbers And Operations

What is the value of this equation?

Possible Answers:

Correct answer:

Explanation:

When an exponent is raised to another exponent, the exponents should be multiplied toghether. This will result in:

Example Question #72 : Numbers And Operations

Which expression is equal to ?

Possible Answers:

Correct answer:

Explanation:

When exponent of a value is raised to another exponent, the values of the exponents are multiplied by each other. 

2 is multiplied by 3, and so the exponent of x is 6. 

Example Question #73 : Numbers And Operations

What is the value of ?

Possible Answers:

Correct answer:

Explanation:

When one exponent is raised to another exponent, the values of the exponents should be multiplied together. Thus, 

 can be simplified to , given that 

Example Question #74 : Numbers And Operations

What is the expression below equal to?

Possible Answers:

Correct answer:

Explanation:

When exponents are multiplied by each other, the powers should be added together. Meanwhile, numbers not raised to an exponent are simply multiplied by each other. 

Therefore, the answer is , because , and

Example Question #11 : How To Multiply Exponents

What is the value of ?

Possible Answers:

Correct answer:

Explanation:

1 raised to any exponent will always be 1. 

-1 will be equal to 1 when the exponent is even and will be equal to -1 when the exponent is odd. 

Given that 323 is odd,  is equal to -1. 

Example Question #516 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Simplify the following:

Possible Answers:

Correct answer:

Explanation:

Simplify the following:

Let's begin by recalling two rules

1) When multiplying variables with a common base, add the exponents.

2) When multiplying variables with a common base, multiply the coefficients.

So, our answer is 

Example Question #1 : How To Divide Exponents

Simplify: 

Possible Answers:

Correct answer:

Explanation:

Separate the fraction and apply the quotient of powers rule:

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