Express the number in scientific notation.65,000

A. 6.5 × 105
B. 6.5 × 104
C. 6.5 × 10-4  
D. 6.5 × 10-5


Answer: B

Mathematics

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Solve the variation problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container  on a side is 192 grams, find the weight of the liquid in a cubical container 3 cm on a side.

A. 81 grams B. 9 grams C. 15 grams D. 27 grams

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Find the area of the triangle. If necessary, round the answer to two decimal places.a = 11, b = 12, c = 17

A. 68.73 B. 65.73 C. 71.73 D. 74.73

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Subtract and simplify. Write the answer as a mixed number as needed.38 - 25

A. 12
B. 12
C. 11
D. 13

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