Answer:
16
Step-by-step explanation:
I conclude that the sum will be even because any even number can be represented by 2n where n is a whole number
and even numbers are 2 apart, so
the sum of the first 15 are
2n+2(n+1)+2(n+2) etc until we get to 2(n+14)
we can undistribute the 2 from all of them and get
2(n+n+1+n+2...n+14)
and we are sure that whatever is in the parenthasees is a whole number because whole+whole=whole
therefor, the sum is even
if you did want to find the sum then
an=2n
the 15th even number is 30
the first is 2
S15=15(2+30)/2=15(32)/2=15(16)=240
which is even
Check the picture below
notice the length of the base, and of the height/altitude
Answer: "
267.95 m³ " .
______________________________________________________Explanation:________________________________________________________V = (4/3) *

* r³ ;
Given: diameter, "d" = "8 m" ;
radius, "r" = 8 m / 2 = 4 m "
V = (4/3) *

* r³
V = (4/3) *

*(4m)³
V = (4/3) * (3.14) * 4³ * m³ ;
V = (4/3) * (3.14) * (4*4*4) * m³ ;
V = (4/3) * (3.14) * (64) * m³ ;
V = 267.9466666666666667 m³ ;
round to: "
267.95 m³ " .
_________________________________________________________