1) "30 minutes is equivalent to 0.30 hours". this sentence is wrong. why?
2) the mass of the s...
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Mathematics, 18.08.2019 10:50 saadshami2384
1) "30 minutes is equivalent to 0.30 hours". this sentence is wrong. why?
2) the mass of the sun is 1,98x10^30 kg. what is the order of magnitude of this mass?
a) 1,98 kg
b) 30
c) 10^31 kg
d) 10^30 kg
3) the masses of the earth and moon are respectively 5,98x10^24 kg and 7,34x10^22 kg. what is the order of magnitude of their relationship?
4) on the side of a bus stands a large billboard 2,50 m and high 130 cm. calculate the area of the panel. what extent the side of a second panel, square shape, with the same area of the first?
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