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emmasim [6.3K]
3 years ago
14

What does writing a number in standard form mean in fourth grade math?

Mathematics
1 answer:
telo118 [61]3 years ago
3 0
Standard form is the number written in standard numerical form such as 5,395
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Step-by-step explanation:

We have been given two sets as A: {71,73,79,83,87} B:{57,59,61,67}. We are asked to find the probability that both numbers are prime, if one number is selected at random from set A, and one number is selected at random from set B.

We can see that in set A, there is only one non-prime number that is 87 as it is divisible by 3.

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P(\text{Prime number from A})=\frac{4}{5}

We can see that in set B, there is only one non-prime number that is 57 as it is divisible by 3.

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