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Mathematics 20 Online
OpenStudy (anonymous):

Which numbers are greater than 7 × 10^−4? Choose all answers that are correct. A. 8 × 10^−4 B. 9 × 10^−5 C. 4 × 10^−4 D. 3 × 10^−2 E. 7 × 10^−5

OpenStudy (immanuelv):

go with the lowest negative exponent

OpenStudy (anonymous):

Okay, Can you help me on this? What is the best order-of-magnitude estimate for 58,100? A. 10^3 B. 10^4 C. 10^5 D. 10^6

OpenStudy (immanuelv):

b

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