This is very easy. Simply square the number: 100 squared (100 x 100) = 10,000. So, the sum of the first 100 odd numbers is 10,000.
There is no "first" odd number because you can start as low as negative infinity and work your way up. If you meant first positive odd numbers, You can do the addition yourself.
The first 20 odd numbers are: 13579111315171921232527293133353739.
The sum of 5 odd numbers must be odd and 100 is even. So there cannot be such a set.
The first 85 odd numbers are: 1 3579111315171921232527293133353739414345474951535557596163656769717375777981838587899193959799101103105107109111113115117119121123125127129131133135137139141143145147149151153155157159161163165167169.
101
The first 100 odd whole numbers are: 13579111315171921232527293133353739414345474951535557596163656769717375777981838587899193959799101103105107109111113115117119121123125127129131133135137139141143145147149151153155157159161163165167169171173175177179181183185187189191193195197199.
The sum of the first 100 odd numbers is 10,000.
The sum of the first 10 odd whole numbers is 100.
The sum of the first 100 odd numbers (1 through 199) is 10000 (ten thou)
100
100
the answer is 2500 I am sorry but this answer is wrong. You only added the numbers between 1 and 100. The question is the first 100 odd numbers, you need to add 1 to 197. The correct answer is 10,000.
It is 100^2=10000
The sum is 10,000.
There is no "first" odd number because you can start as low as negative infinity and work your way up. If you meant first positive odd numbers, You can do the addition yourself.
This has no answer. Any five odd numbers will always add to an odd number. 100 is even.
There are 40 odd numbers between 20 and 100. Remember that an odd number is every second number. There are 80 numbers between 20 and 100, so there are 40 odd numbers and 40 even numbers.