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there are 2 significant figures in 21000

2 & 1 are the significant figures.

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Wiki User

15y ago
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Wiki User

8y ago

It has 2 significant figures.

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Wiki User

8y ago

3 significant figures.

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Wiki User

13y ago

Two - the two zeros are not significant.

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Wiki User

13y ago

One - the three zeros are placeholders.

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Wiki User

7y ago

2 of them.

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7y ago

2 of them.

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Wiki User

7y ago

1 of them.

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Wiki User

7y ago

1 of them.

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Wiki User

7y ago

3 of them.

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Q: How many significant figures does 2090 have?
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