Solve the problem. Snell's Law states that  Use this law to find the requested value. If      and   find 

A. c1 = 3 × 108
B. c1 = 2.67 × 108
C. c1 = 2.1 × 1010
D. c1 = 1.98 × 107


Answer: A

Mathematics

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Find all the first order partial derivatives for the following function.f(x,y,z) = xe(x2 + y2 + z2)

A.  = 2x2e(x2 + y2 + z2) = xye(x2 + y2 + z2) = 2xze(x2 + y2 + z2)
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Express the sum using summation notation.3 + 6 + 9 + ... + 21

A.

B.

C.

D.

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Convert.58 mm = ___ m

A. 5800  B. 0.58  C. 0.058  D. 58,000 

Mathematics