Express the following numbers in scientific notation. Round the numbers to 3 places.

a. 16290
b. 4837
c. 0.0912


a. 1.63 ð 104
b. 4.8 ð 103
c. 9.12 ð 10-2

Mathematics

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Use formulas to find the area of the plane region.

A. 14 cm2 B. 7 cm2 C. 8 cm2 D. 10 cm2

Mathematics

Determine if the infinite geometric series converges or diverges. If the series converges, find its sum.100 + 20 + 4 +  + . . .

A. diverges B. converges, - 25 C. converges, 124 D. converges, 125

Mathematics

Use the distributive property to multiply the given expressions.(a + 4)5

A. a + 20 B. 20a C. 5a + 20 D. 5a + 4

Mathematics

Find the vertices and foci of the given ellipse.5x2 + 7y2 = 15

A. Vertices: (, 0) and (-, 0); 
Foci:  and 
B. Vertices: (0, 3) and (0, -3); 
Foci:  and 
C. Vertices: (, 0) and (-, 0); 
Foci:  and 
D. Vertices: (0, ) and (0, -); 
Foci:  and 

Mathematics