Use exponential notation to write the repeated multiplication.5 ? 5 ? 9 ? 9 ? 9 ? 9
A. 52 ? 94
B. 456
C. 5 ? 96
D. 25 ? 49
Answer: A
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F = 
k ; S is the upper hemisphere of x2 + y2 + z2 = 25; direction is outward
A. - 
?
B. 
?
C. 
D. - 
Mathematics
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Mathematics
Find the limit.
(x3 + 5x2 - 7x + 1)
A. 29 B. 0 C. 15 D. does not exist
Mathematics
Perform the indicated calculation. Express your answer using scientific notation.(9.3 × 10-4) ÷ (3.1 × 107)
A. 6 × 103 B. 3.0 × 103 C. 3.0 × 10-11 D. 6 × 10-11
Mathematics