Write the number in scientific notation.-0.0000005
A. -5 × 10-6
B. 5 × 107
C. -5 × 10-8
D. -5 × 10-7
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Express the number as an equivalent decimal. Use bar notation for repeating decimals.- 
A. -1.525 B. -1.5 C. -1.575 D. -1.55
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Divide.
A. 1191 B. 1211 R 19 C. 1206 R 11 D. 1201
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Find the circumference of the circle. Use ? ? 3.14 and round to the nearest hundredth.radius = 81 cm
A. 508.68 cm B. 20,601.54 cm C. 254.34 cm D. 127.17 cm
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