## 1 and 100 Exercise 2D -. 1 How many prime numbers exist between a 1 and 10? b 1 and 20? e 20 and 407 2 Fill in t

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## Answers ( )

Answer:5 prime number exist between 1 and 10

Answer:

Between 1 to 10 – 4 prime no.s

Between 1 to 20- 8 prime no.s

Between 20 to 407- 71 prime no.s

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