Question

What is the sum of all the odd numbers between 80 and 90
1) 425
2] 436
3] 420
4] None of these
pls answer only if you know don't spam plz ...follow me my dear friends​

Answer 1

Step-by-step explanation:

81,83,85,87,89

81+83+85+87+89=425

option 1

Answer 2

Answer:

There are only two prime numbers between 80 and 90: 83 and 89.