Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0
B. -12
C. 1
D. -4
Answer: C
Mathematics
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Solve the problem.A cylindrical water tank has height 10 m and radius 2 m (see figure). If the tank is full of water, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of ?. 
A. 19,600,000? J B. 627,200? J C. 1,960,000? J D. 490,000 J
Mathematics
Write the Hindu-Arabic numeral as an Egyptian numeral using the table below.
1,235,042
A. 
B. 
C. 
D. 
Mathematics
Find the exact function value.sec-1(-
)
A. 
B. 
C. 
± 2?n, 
± 2?n
D. 
Mathematics
Convert to percent.0.672
A. 0.672% B. 0.0672% C. 672% D. 67.2%
Mathematics