Solve the problem. Express the answer in scientific notation to two decimals.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?

A. 7.6 × 103 sec
B. 76 sec
C. 7.6 × 102 min
D. 7.6 × 102 sec


Answer: D

Mathematics

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A. 34.26 B. 31.90 C. 22.06 D. 33.10

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Use a formula to solve the problem.Find the area of a triangle with height 17 m and base 19 m.

A. 646 m2 B. 18 m2 C. 161.5 m2 D. 323 m2

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Find the inverse, if it exists, for the matrix.

A.

B.

C.

D.

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Find the sum of the series, if possible.8 + 2 +  +  + . . .

A.
B.
C.
D.

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