Solve the problem.In a state with a population of 7,000,000 the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Express answer in scientific notation.

A. $4.2 × 109
B. $42 × 1011
C. $42 × 1010
D. $4.2 × 1010


Answer: D

Mathematics

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Give an appropriate response.The table shows the results of a study examining the effectiveness of home schooling as compared to traditional schooling. The same reading test is given to all students regardless of grade.For each age grade, determine the percentage passing the test amongst those schooled at home and among those with traditional schooling. If the two age groups are combined, what percentage pass the test amongst those schooled at home and among those with traditional schooling?Explain the apparent inconsistency in these results, and how the design of the study brought about the inconsistency.

What will be an ideal response?

Mathematics

Use the graph of a known basic function and horizontal shifts to sketch the function.y = (x + 5)2 

A.

B.

C.

D.

Mathematics

Round the whole number to the given place value.28,772, thousands

A. 30,000 B. 28,800 C. 29,000 D. 28,000

Mathematics

Solve the problem.The number of books in a small library increases according to the function B = 5100e0.03t, where t is measured in years. How many books will the library have after 8 years?

A. 8863 B. 3161 C. 7278 D. 6483

Mathematics