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10 votes
Write 21.4 in decimal expanded form

User GetUsername
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2 Answers

13 votes
13 votes
Expanded form or expanded notation is a way of writing numbers to see the math value of individual digits. When numbers are separated into individual place values and decimal places they can also form a mathematical expression. 5,325 in expanded notation form is 5,000 + 300 + 20 + 5 = 5,325.
User Lee Gary
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19 votes
19 votes

Answer:

20+1+0.4

Explanation:

to rite in decimal expanded form you need to separate the numbers.

we see that we have a 20 and a 1. This means we write 20+1. You also see that this number has a decimal, 0.4 so our final answer would be 20+1+0.4

User Jon Jagger
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