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How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103
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The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments
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Anuclide of 64/29 cu absorbs a positron. witch is the resulting atom? (a) 65/29cu (b) 63/29 cu (c)...
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