Multiply or divide and write scientific notation for the result.
A. 5.6 × 107
B. 5.6 × 101
C. 2.8 × 107
D. 2.8 × 101
Answer: D
Mathematics
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Solve.If an object is dropped off a cliff, after 7 seconds it will have fallen 
feet, ignoring air resistance. Express this distance in standard form, without exponents.
A. 65 ft B. 1568 ft C. 784 ft D. 39 ft
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Find v ? u.v = 
and u = 
A. 
B. 
i - 
j
C. 
i - 
j
D. 0
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Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
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Use identities to simplify the expression.
A. -cos x B. cos x C. sin x D. -sin x
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