Grade 8 | Unit 7: Exponents and Scientific Notation | Check Your Readiness (B)

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6.NS.B.3

• 4,000

• 400

• 40

• 4

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6.NS.B.2

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6.EE.A.1

A population of red ants was 640. After a season of heavy rainfall, the ant population decreased by 50%. In the following dry season, the population increased by 5%. What is the ant population after the increase?

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7.EE.B.3

7.RP.A.3

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6.NS.C.6

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6.NS.C.6

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4.NF.A.1

5.NF.B.5.b