Simplify the expression so that it contains only positive exponents 
.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Solve the problem.Find the difference in altitude between an ocean floor 
below sea level and an ocean canyon 
below sea level.
A. -292 feet B. 152 feet C. 292 feet D. -152 feet
Solve the problem. Express your answer in simplest form.The second tallest child in a class is 36
inches tall. The tallest child is 3
inches taller. How tall is the tallest child in the class?
A. 40
in.
B. 31
in.
C. 39
in.
D. 40
in.
Write a word name for the number in the sentence.The sales tax rate in Boone County is 4.6 percent.
A. Forty-six thousandths B. Four and 6 hundredths C. Four and six tenths D. Forty-six hundredths
Solve the problem.A brick staircase has a total of 15 steps The bottom step requires 114 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 1147.5 bricks B. 2370 bricks C. 1185 bricks D. 2235 bricks