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3176

Evaluate 0.0025 × 2.5 × 102 to 2 significant figures.

A. 0.625 × 10^-3
B. 0.63 × 10^-2
C. 6.25 × 10^-3
D. 6.3 × 10^-2
E. 6.3 × 10^-1

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3177

What is the Value of 11101\(_{two}\)+ 10011\(_{two}\) - 10001\(_{two}\)?

A. 10001\(_{two}\)
B. 10011\(_{two}\)
C. 10111\(_{two}\)
D. 11111\(_{two}\)
E. 111111\(_{two}\)

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3178

A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the distance from the port.

A. 7.21km
B. 13.53km
C. 16.86km
D. 44.57km
E. 67.17km

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3179

Calculate without using tables Tan 45° + Cos 60°

A. \(\sqrt{\frac{3}{2}}\) - 1
B. \(\frac{1}{2}\)
C. 1\(\frac{1}{2}\)
D. \(\sqrt{\frac{3}{2}}\) + 1
E. 2

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3180

A is at 50°N and B is at 10°N, If A and B are on the same longitude, find the distance AS. Correct your answer to Four significant figures. (Earth radius = 6400km)

A. 6468km
B. 5469km
C. 4470km
D. 3470km
E. 2488km

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