Answer: (B) -625
<u>Step-by-step explanation:</u>
Given the sequence {-500, -100, -20, -4, -0.8, ... }, we know that that the first term (a) is -500 and the ratio (r) is 
Input those values into the Sum formula:

Answer:
9.9225 E 34.
E = exponent
= 9.9225 x 10^34
Step-by-step explanation:
Answer: C) 42.3 cm^2
formula for the area if a trapzoid:
A= .5*(b1+b2)*h
A= .5(5.6+8.5)*6
A= 42.3
Answer:
N= -2
Step-by-step explanation:
N+10=8
-10= -10
N= -2