Ques 1 Write in standerd form the univers is estimated to be 12,000,000,000 years old
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Ques 2 star is about 8.1 multiplied by 10 power 13 km from earth assuming that light travels at 3.0 multiplied by 10 power 5 km/s find how long light form stars taked to reach earth
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Answer:
Ques 1 = 1.2 * 10^10
Ques 2= t = 8.556 years
Step-by-step explanation:
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