Write each whole number in expanded form.587
A. 700 + 80 + 5
B. 58,700
C. 500 + 80 + 7
D. 5000 + 800 + 70
Answer: C
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Convert to decimal notation.5.573 × 10-5
A. 0.0005573 B. 0.00005573 C. -557,300 D. 0.000005573
Graph the polar equation.r = 2(1 -sin ?)
A. 
B. 
C. 
D. 
Solve the problem.Initially, a pendulum swings through an arc of 3 feet. On each successive swing, the length of the arc is 0.8 of the previous length. After 10 swings, what total length will the pendulum have swung (to the nearest tenth of a foot)?
What will be an ideal response?
Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.Five times a number added to -5, subtracted from twice the sum of nine times the number 
A. 5(x - 5) - (2 + 9)(x - 8); 63 - 6x B. 2(9x - 8) - (-5 + 5x); -11 + 13x C. (-5 + 5x) - 2(9x - 8); 11 - 13x D. (2 + 9)(x + -8) - 5(x - 5); -63 + 6x