Write using exponential notation.7 ? 7

A. 27
B. 2 ? 7
C. 72
D. 73

Answer: C

Mathematics

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Solve the differential equation.x + 2y = 5 - , x > 0

A. y = , x > 0
B. y = , x > 0
C. y = , x > 0
D. y = , x > 0

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Mathematics

Determine the number of significant digits in the given approximate number.7,080

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

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Mathematics

Find the sum ? + ? or the difference ? - ? as indicated.Find ? + ?.? = 235°51', ? = 299°58'

A. 535°109' B. 535°49' C. 50°49' D. 50°109'

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Mathematics

Provide an appropriate response.Decide if the system has one solution, no solution, or an infinite number of solutions. 2x - y = 0 x + 5y = 22

A. No solution B. Infinite number C. One

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Mathematics