Write the number in scientific notation.0.0000002

A. 2 × 10-8
B. 2 × 10-6
C. 2 × 10-7
D. 2 × 107


Answer: C

Mathematics

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Which of the following is not a viable algorithm for addition of fractions?

A.

?


B.

?


C.

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D.

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E.

?


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Provide an appropriate response.A common factor of the expression rs + rt is .

A. t B. r C. s + t D. s

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Solve the problem.June has a strip of paper 45.9 inches long. She wants to cut it into strips that are 5.1 inches long. How many  strips will she get from the paper?

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Write the sum in summation notation.1 + 3 + 5 + 7 + . . . + 71

A.
B.
C.
D.

Mathematics