Hawking's rationale was that humankind would eventually fall victim to an extinction-level catastrophe - perhaps sooner rather than later. What worried him were so-called low-probability, high impact events - a large asteroid striking our planet is the classic example.
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Answer:
(1/5)×(15/18) = 1/6
-(3/4)×(12/14) = -9/14
-(5/6)×-(6/7) = 5/7
-(3/5)×(7/13) = -21/65
-(1/3)×(9/14) = 3/14
-(1/2)×-(8/9) = 4/9
(2/3)×(12/22) = 4/11
(2/5)×(-5/10) = -1/5
(3/5)×(3/4) = 9/20
(3/8)×-(5/9) = -5/24
-(1/2)×(16/28) = -2/7
-(1/8)×(16/17) = -2/17
Step-by-step explanation:
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Answer:
Leaving Earth
Hawking's rationale was that humankind would eventually fall victim to an extinction-level catastrophe - perhaps sooner rather than later. What worried him were so-called low-probability, high impact events - a large asteroid striking our planet is the classic example.