3 years ago

If n is an even integer between 1 and 1989, what is the probability that n^2 is divisible by 8

1 answer:

5 0

Answer:

0.249874

Step-by-step explanation:

After every 4 digits, n squared is divisible by 8 so we have 1989/4= 497 numbers divisible by 4 after squaring

probability n=497/1989= 0.249874

Probability n=0.249874

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