1.Determine whether the statement makes sense. If the statement is possible then it makes sense. If it is clearly impossible, it does not make sense.

Last year my heart beat 4 10⁷times.

A. No

B. Yes

2.Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.

Best's Computers claims that of its 4280 items in inventory, 3636 items are IBM PC, while the rest are Apple. What percent of total inventory is Apple? Round to the nearest tenth of a percent.

A. 0.8%

B. 85.0%

C. 15.0%

D. 6.6%

3.Restate the fact as indicated.

The speed of light is approximately 5,866,000,000,000 miles per year. Express this speed in miles per second.

A. 4,460,000 miles per second

B. 186,009.6 miles per second

C. 3100.2 miles per second

D. 11,160,578.4 miles per second

4.Two measurements are given. Find the absolute difference and then find the relative difference as a percentage. Assume that the first quantity is the compared value and the second quantity is the reference value. Round answers to the nearest tenth if necessary.

A. Last year the total revenue for Clearline phone company was $13.7 million while the revenue for its competitor, the Speakmore was $10.8 million.

A. Absolute difference: $2.9 million

Relative difference: 26.9%

B. Absolute difference: $2.9 million

Relative difference: 2.7%

C. Absolute difference: $2.9 million

Relative difference: 21.2%

D. Absolute difference: $-2.9million

Relative difference:-21.2%