Answer briefly
Follow me for more points .:)
Answers
Answered by
1
Answer:
Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.
Answered by
0
Explanation:
Given,
a
=
10
,
last term
=
100
and
number of terms
=
1000
Sum of first
n
terms in an A.P. is
S
n
=
n
2
[First term
+
Last term]
=
1000
2
[
10
+
100
]
=
500
[
110
]
S
1000
=
55
,
000
Similar questions