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Zolol [24]
3 years ago
14

2. There are two boxes. Each one contains paper slips marked 1 to 10. If we take one slip from each box, what is the probability

that both numbers are prime numbers?
Mathematics
1 answer:
OLga [1]3 years ago
6 0

Answer: 8/20

Step-by-step explanation:

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Increments of seven ​
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Specific Learning Outcomes:  

Solve problems that involve finding powers of a number

Description of mathematics:  

In this problem students work with powers of numbers and, as a consequence, come to understand what is happening to the numbers.  

Students also see how an apparently enormous and difficult calculation can be broken down into manageable parts. The students should come to realise that there are only a limited number of unit digits obtained when 7 is raised to a power. Further,  these specific digits 'cycle round' as the power of 7 increases. This cycle is 7, 9, 3, 1, 7, 9, …

The same is true of the digit in the tens place.

6 0
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