Answer:
yes
Step-by-step explanation:
if it is a terminating decimal(a decimal that ends) it will be rational
Answer:
yes
Step-by-step explanation:
This is an aritmetic series;
a=-10
d=-7--10
d=3
n= 7
Sum=

(2a+(n-1)d)
Sum=

sum=3.5(-20+18)
sum=3.5(-2)
sum=-7
See the attached picture. Just put the lowercase letter of the points on the line opposite the points.