Perform the indicated computations. Write the answer in scientific notation.(5 × 108)2
A. 2.5 × 1011
B. 2.5 × 1017
C. 1 × 1017
D. 1 × 1011
Answer: B
Mathematics
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Solve.Locate the centroid of a semicircular region.
A. 
= 
= 
= 
a
B. 
= 
= 
= 
a
C. 
= 
= 
= 
a
D. 
= 
= 
= 
a
Mathematics
Factor the trinomial, if possible.x2 - x - 56
A. (x + 7)(x - 8) B. (x + 1)(x - 15) C. (x - 8)(x + 8) D. (x + 8)(x - 7)
Mathematics
Solve the equation analytically.
x - 
x = 4
A. {-28} B. {-32} C. {32} D. {28}
Mathematics
Find the degree of the polynomial.5 - 7x
A. -7 B. 1 C. 2 D. 0
Mathematics