Q: What is 19 plus 20 plus 1 plus 21 plus 18 plus 4 plus 25 plus 1?

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491

19. It is prime.

21+21+19+19=80

2,870,795,128,037,760 or approx 2.871*1015

16/19

Related questions

16 + 16 + 16 + 17 + 18 + 18 + 18 + 19 + 19 + 20 + 20 + 20 + 21 = 238

Mean (12, 18, 19, 20, 21) = 18

491

20.37 is the mean.

21

32+14+20+18+16+31+21+16=168

19. It is prime.

21+21+19+19=80

Just over 20 18 + 19 + 21 + 23 = 81 81 / 4 (numbers) = 20.25

2,870,795,128,037,760 or approx 2.871*1015

16/19

The minimum drinking age in Connecticut was lowered from 21 to 18 in 1972. It was raised from 18 to 19 in 1982, raised from 19 to 20 in 1983, and raised from 20 to 21 in 1985.