Perform the indicated calculation. Express your answer using scientific notation.(15 × 10-8) ÷ (3 × 103)

A. 5 × 10-5 
B. 5 × 10-11 
C. 10 × 10-5
D. 10 × 10-11 


Answer: B

Mathematics

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Find the area of the shaded region in the figure. Round results to the nearest unit.The hypotenuse of the smallest, unshaded triangular region has length 8.14 inches. The sides of the outer square have length 23 inches. Half the diagonal of the outer square is 16.27 inches. 

A. 226 in2 B. 353 in2 C. 166 in2 D. Not enough data 

Mathematics

Find the domain and range of the relation.{(8,4), (-8,5), (2,2), (2,-5)}

A. D = {8, 2, -8}; R = {4, 2, 5, -5} B. D = {8, 2, -8, -2}; R = {4, 2, 5, -5} C. D = {4, 2, 5, -5}; R = {8, 2, -8} D. D = {8, 2, -8, 2}; R = {4, 2, 5, -5}

Mathematics

Find the center and radius of the circle.(x + 4)2 = 81 - (y - 8)2 

A. Center: (4, -8); radius: 81 B. Center: (8, -4); radius: 9 C. Center: (-4, 8); radius: 9 D. Center: (-8, 4); radius: 81

Mathematics

Evaluate to four decimal places using a calculator.e4.76

A. 116.7459 B. 12.9390 C. 1.5602 D. 129.0242

Mathematics