What is 56 + (32.00 )/(1.2465 + 3.45 ) written with the correct number of significant figures?
A) 62.8
B) 62.812
C) 62.81
D) 63
E) 62.8123846
D
Physics & Space Science
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Can only happen at Full Moon
A. Solar Eclipses |
B. Alpha Centauri |
C. Proxima Centauri |
D. Lunar Eclipses |
E. Nicolas Copernicus |
F. Claudius Ptolemy |
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According to the Zeeman effect, the splitting of a sunspot's spectral lines is due to:
A) their rapid rotation. B) temperature variations. C) their magnetic fields. D) their radial velocity. E) a Doppler shift.
Physics & Space Science
The Phanerozoic eon is divided into three main
A) epochs B) periods C) eras D) ages
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A 100-W driveway light bulb is on 10 hours per day. If the power company charges 10ยข for each kilowatt-hour of electric energy used, estimate the yearly cost to operate the bulb if it is used every day for a 365-day year
A) $3.65 B) $7.30 C) $37 D) $73
Physics & Space Science