Zero Exponent Rule Practice Problems and Solutions

Master the zero exponent rule with step-by-step practice problems. Learn why any non-zero number raised to the power of zero equals 1 through interactive exercises.

📚What You'll Master in Zero Exponent Rule Practice
  • Apply the zero exponent rule to simplify expressions like 5^0 = 1
  • Understand why any non-zero number raised to zero equals one
  • Solve algebraic equations involving zero exponents with variables
  • Simplify complex fractions using zero exponent properties
  • Calculate expressions with multiple terms and zero exponents
  • Identify when zero raised to zero creates undefined expressions

Understanding Zero Exponent Rule

Complete explanation with examples

When we see a number that is not 0 0 raised to zero, the result will be 1 1 .
Property formula:

a0=1a^0=1
This property is also concerning algebraic expressions.

Detailed explanation

Practice Zero Exponent Rule

Test your knowledge with 6 quizzes

\( (\frac{7}{4})^?=1 \)

Examples with solutions for Zero Exponent Rule

Step-by-step solutions included
Exercise #1

50= 5^0=

Step-by-Step Solution

We use the power property:

X0=1 X^0=1 We apply it to the problem:

50=1 5^0=1 Therefore, the correct answer is C.

Answer:

1 1

Video Solution
Exercise #2

10= 1^0=

Step-by-Step Solution

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

  • Step 1: Recognize that the base of the exponent is 1.
  • Step 2: Apply the Zero Exponent Rule.
  • Step 3: Verify the result is consistent with mathematical rules.

Now, let's work through each step:
Step 1: We have the expression 101^0, where 1 is the base.
Step 2: According to the Zero Exponent Rule, any non-zero number raised to the power of zero is equal to 1. Hence, 10=11^0 = 1.
Step 3: Verify: The base 1 is indeed non-zero, confirming that the zero exponent rule applies.

Therefore, the value of 101^0 is 11.

Answer:

1 1

Video Solution
Exercise #3

40=? 4^0=\text{?}

Step-by-Step Solution

To solve this problem, we need to find the value of 40 4^0 .

  • Step 1: According to the properties of exponents, for any non-zero number a a , the zero power a0 a^0 is always equal to 1.

  • Step 2: Here, our base is 4, which is a non-zero number.

  • Step 3: Applying the zero exponent rule, we find:

40=1 4^0 = 1

Thus, the answer to the question is 1 1 , corresponding to choice 3.

Answer:

1 1

Video Solution
Exercise #4

(18)0=? (\frac{1}{8})^0=\text{?}

Step-by-Step Solution

To solve the problem, (18)0(\frac{1}{8})^0, we utilize the Zero Exponent Rule, which states that any non-zero number raised to the power of zero equals 11.

Here's a step-by-step explanation:

  • Step 1: Identify the base and ensure it is non-zero. In this case, the base is 18\frac{1}{8}, which is indeed non-zero.
  • Step 2: Apply the Zero Exponent Rule. According to this rule, (18)0=1\left(\frac{1}{8}\right)^0 = 1.
  • Step 3: Conclude the result: The expression evaluates to 11.

Therefore, the correct answer to the problem (18)0(\frac{1}{8})^0 is 11.

Answer:

1

Video Solution
Exercise #5

1120=? 112^0=\text{?}

Step-by-Step Solution

We use the zero exponent rule.

X0=1 X^0=1 We obtain

1120=1 112^0=1 Therefore, the correct answer is option C.

Answer:

1

Video Solution

Frequently Asked Questions

What is the zero exponent rule in math?

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The zero exponent rule states that any non-zero number raised to the power of zero equals 1. The formula is a^0 = 1, where a ≠ 0. This applies to both positive and negative numbers as well as algebraic variables.

Why does any number to the power of 0 equal 1?

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This rule makes logical sense when you consider the pattern of decreasing exponents. For example, 2^3 = 8, 2^2 = 4, 2^1 = 2, so following the pattern of dividing by 2 each time, 2^0 = 1. It also follows from the quotient rule: a^n ÷ a^n = 1, which equals a^(n-n) = a^0.

What happens when 0 is raised to the power of 0?

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0^0 is considered undefined or indeterminate in most mathematical contexts. Unlike other numbers, zero raised to the zero power doesn't follow the standard zero exponent rule and creates a mathematical contradiction.

How do you solve equations with zero exponents?

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To solve equations with zero exponents: 1) Identify terms with zero exponents and replace them with 1, 2) Simplify the remaining expression, 3) Use algebraic methods to solve for unknowns. Remember that if x^n = 1 and x ≠ 0, then n = 0.

Does the zero exponent rule work with negative numbers?

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Yes, the zero exponent rule applies to negative numbers too. For example, (-5)^0 = 1 and (-x)^0 = 1 (assuming x ≠ 0). The key requirement is that the base cannot be zero.

Can variables have zero exponents?

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Yes, variables can have zero exponents. For any variable like x, y, or z, the expression x^0 = 1 as long as the variable doesn't equal zero. This is commonly used in algebraic simplification and equation solving.

How do you simplify fractions with zero exponents?

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When simplifying fractions with zero exponents: 1) Replace any non-zero base with exponent 0 with the number 1, 2) Multiply or divide the remaining terms normally, 3) Reduce the fraction to lowest terms. For example, (3^0 × 4)/(2^0 × 8) = (1 × 4)/(1 × 8) = 4/8 = 1/2.

What are common mistakes with zero exponent problems?

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Common mistakes include: thinking 0^0 = 1 (it's actually undefined), forgetting that only non-zero bases follow the rule, and incorrectly applying the rule to the entire expression instead of individual terms. Always check that the base isn't zero before applying a^0 = 1.

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