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
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = x4, x = 5, and the x-axis
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Solve. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent.Write the equivalent decimal and percent for 
.
A. 0.32; 320% B. 0.32; 32% C. 0.2; 2% D. 0.2; 20%
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Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Mathematics