Determine the number of significant digits in the given approximate number.7080

A. 3
B. 4
C. 2
D. 1


Answer: A

Mathematics

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A.  +  +  + 
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D.  -  +  - 

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A. milliliter B. kiloliter C. deciliter D. dekaliter

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Find the product.(5x - 7y)2

A. 25x2 - 70xy + 49y2 B. 25x2 + 49y2 C. 5x2 + 49y2 D. 5x2 - 70xy + 49y2

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Answer the questionIf y varies inversely as the square of x, and x is tripled, how is y changed?

A. y is one-ninth as large as before B. y is nine times as large as before C. y is three times as large as before D. y is one-third as large as before

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