It is: 83-23+43 = 103
20 and 43
13 ...23 ...33 ...43 ...53=125■
The integer between the two numbers is 43.
Average. (42+43)/2 = 42.5 Come on.
777
20+23 = 43 and 43/2 = 21.5 which is the mean average
43 and 1/23 is a mixed number. As a fraction, it would be improper.
Calcium-43 has 23 neutrons because calcium's atomic number is 20, it's isotopic mass is 43, and 43-20=23.
The prime numbers between 20 and 40 are: 23, 29, 31, 37, 41, 43 and 47. 23+29+31+37+41+43+47 = 251
It is: 23+29+31+37+41+43+47 = 251
2310->5 = 43.
52
23/43 is 53.49%.
If you meant to ask what are the prime numbers between 21 and 53 inclusive, then it would be 23, 29, 31, 37, 41, 43, 47, 53
43 - 23 - 5 = 15
Yes, 23 and 43 are prime