Write the number in scientific notation.33,000

A. 3.3 × 10-3
B. 3.3 × 103
C. 3.3 × 10-4  
D. 3.3 × 104


Answer: D

Mathematics

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Solve the problem.The loudness of a sound can be approximated by the formula d = 10 log10 , where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when  and 

A. 2 decibels B. 100 decibels C. 20 decibels D. 12 decibels

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Translate to an equation and solve.  $22 is 8% of what?

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Completely factor the polynomial or state that the polynomial is prime.512y3 - 1

A. (512y - 1)(y2 + 8y + 1) B. (8y - 1)(64y2 + 8y + 1) C. (8y - 1)(64y2 + 1) D. (8y + 1)(64y2 - 8y + 1)

Mathematics

Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist.-10x + 4y = 6  6x - y = 2

A. (4, 1) B. (-4, -1) C. (-1, -4) D. (1, 4)

Mathematics