Express the number in scientific notation.870,000
A. 8.7 × 105
B. 8.7 × 104
C. 8.7 × 10-4
D. 8.7 × 10-5
Answer: A
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Subtract and simplify. Write the answer as a mixed number as needed.15
- 9
A. 24
B. 5
C. 23
D. 5
Provide an appropriate response.Which one of the following is a description of the graph of the inequality?(x - 4)2 + (y + 5)2 < 81
A. the region outside a circle with center (-4, 5) and radius 9 B. the region inside the circle with center (-4, 5) and radius 9 C. the region outside a circle with center (4, -5) and radius 9 D. the region inside a circle with center (4, -5) and radius 9
Write a general formula to describe the variation.The square of G varies directly with the cube of x and inversely with the square of y; 
when 
and 
A. G2 = 
(x3 + y2)
B. G2 = 2 
C. G2 = 
D. G2 = 9 
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15