Explanation:
part A
we know how much erg of radiant energy the sun produces for one second so to find out how much it produces for 2.45 ⋅ 10^5 seconds we only should multiply these seconds to the erg of radiant energy it produces for one second
amd we get 9.555*10^38erg of radiant energy
Part B:
0.0074mm knowing that blood cell is very small to be seen normally without microscope.
and 7400mm is a measure that is quite big for a blood cell. So it remains that 7.4*10^-3 is the right one.
Answer And Explanation: <u><em>No taxation without representation" is a slogan originating during the 1700s that summarized one of 27 colonial grievances of the American colonists in the Thirteen Colonies, which was one of the major causes of the American Revolution. In short, many in those colonies believed that, as they were not directly represented in the distant British Parliament, any laws it passed affecting the colonists (such as the Sugar Act and the Stamp Act) were illegal under the Bill of Rights 1689, and were a denial of their rights as Englishmen.</em></u>
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<u><em>HOPE THIS HELPS PLS MARK BRAINLIEST</em></u>
Answer:
Without a twelve month calendar, people would not know how to meet up at the same time. People would say, see you in 218 days, and they wouldn't be able to plan far in the future. Without a number system, we could not pay for things, and without wheels we could not go anywhere and lots of technology would become obsolete.
Explanation:
It was a very hard lifestyle and very unhygienic, It usually promoted work from sun rise to sun set. <span />
