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Write the number 20 in expanded notation form:
(Decompose 20)
Expanded Notation
Each digit represents a power of 10
20 = (2 x 101) + (0 x 100)
20 = (2 x 10) + (0 x 1)
Multiply through and simplify
20 = 20 + 0
20 = 20 <---- Correct!
Final Answer
(2 x 10) + (0 x 1)
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What is the Answer?
(2 x 10) + (0 x 1)
How does the Expanded Notation Calculator work?
Free Expanded Notation Calculator - Writes the expanded notation for a number.
This calculator has 1 input.
What 4 formulas are used for the Expanded Notation Calculator?
Determine the digit number counting from the right. Call this nCalculate 10n
Multiply the value in Step 2 by the value in Step 1
Repeat for each digit
For more math formulas, check out our Formula Dossier
What 4 concepts are covered in the Expanded Notation Calculator?
digitAny of the numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) used to construct a numberexpanded notationWriting out a number to show the sum of each digit multiplied by the place value9256 = 9(1000) + 2(100) + 5(10) + 6(1)notationAn expression made up of symbols for representing operations, unspecified numbers, relations and any other mathematical objectswhole numbernumbers that include natural numbers and zero
{0, 1, 2, 3, ...}
Example calculations for the Expanded Notation Calculator
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