Evaluate the Expression: 2² × 1¹⁰ + 3

Order of Operations with Zero Division

0:22×110+3= 0:2^2\times1^{10}+3=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:07 Let's solve this problem step by step.
00:12 First, let's calculate what happens when we use powers.
00:32 Remember, one to the power of any number is always one!
00:39 Zero divided by any number is always zero.
00:46 And zero multiplied by any number, is also zero.
00:50 Great work! And that's how we solve these problems.

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

0:22×110+3= 0:2^2\times1^{10}+3=

2

Step-by-step solution

To solve the expression, we need to follow the order of operations, often remembered by the acronym PEMDAS, which stands for Parentheses, Exponents, Multiplication and Division (left-to-right), Addition and Subtraction (left-to-right).

  • Step 1: Handle the exponentiation in the expression.
    The exponentiation operation is on the number 2, so we compute 22 2^2 which is equal to 4.
  • Step 2: Handle the multiplication.
    We multiply the result of the exponentiation by the number following it. Therefore, we have 4×110 4 \times 1^{10} . Since 110=1 1^{10} = 1 , the expression becomes 4×1=4 4 \times 1 = 4 .
  • Step 3: Handle the operations on either side of multiplication.
    Before evaluating, it's essential to note that the original expression is slightly misunderstood due to potential formatting errors. Let's assume it was meant to use division as 0÷22 0 \div 2^2 due to the notation 0:22 0:2^2 . Therefore, calculate 0÷4 0 \div 4 which is equal to 0.
  • Step 4: Handle the addition.
    Finally, we add 3 to the result of the division: 0+3=3 0 + 3 = 3 .

Thus, the final answer is 3.

3

Final Answer

3

Key Points to Remember

Essential concepts to master this topic
  • Rule: Follow PEMDAS order when evaluating expressions with mixed operations
  • Technique: Calculate 0÷22=0÷4=0 0 \div 2^2 = 0 \div 4 = 0 before adding 3
  • Check: Substitute back: 0÷4+3=0+3=3 0 \div 4 + 3 = 0 + 3 = 3

Common Mistakes

Avoid these frequent errors
  • Misinterpreting the colon notation as multiplication
    Don't read 0:2² as 0 × 2² = 0 × 4 = 0! The colon (:) represents division, not multiplication. This leads to calculating 0 + 3 = 3 instead of the correct division first. Always interpret the colon symbol as division operation.

Practice Quiz

Test your knowledge with interactive questions

\( 5+\sqrt{36}-1= \)

FAQ

Everything you need to know about this question

What does the colon symbol mean in math expressions?

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The colon symbol (:) represents division, just like the ÷ symbol. So 0:22 0:2^2 means 0÷22 0 \div 2^2 .

Why is 1 to any power always equal to 1?

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Because 1 × 1 × 1... (any number of times) always equals 1. So 110=1×1×1... 1^{10} = 1 \times 1 \times 1... (10 times) = 1.

Does zero divided by any number always equal zero?

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Yes! When you have zero divided by any non-zero number, the answer is always 0. So 0÷4=0 0 \div 4 = 0 , 0÷100=0 0 \div 100 = 0 , etc.

What if I calculated the exponents wrong?

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Double-check: 22=2×2=4 2^2 = 2 \times 2 = 4 and 110=1 1^{10} = 1 . Remember to calculate exponents first before any other operations!

How do I remember the order of operations?

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Use PEMDAS: Parentheses, Exponents, Multiplication/Division (left to right), Addition/Subtraction (left to right). This ensures you get the correct answer every time!

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