Answer: 
Step by step:
(Used a table of common angles)
In mathematical terms, we write it like this:
10*0.1
or
10×0.1
when you multiply a decimal by a power of ten, you can just move the point by the number of 0s, left:
10×0.1=1.0=1
so the answer is 1
Answer:
answer is 27
Step-by-step explanation:
-2(-6) + 7 -4(-2)
12+7+8
19+8
27
Hope this helped
Step-by-step explanation:
Each interior angle=140°
(n-2)180°/n=140°
180°n-360°/n=140°
180°n-360°=140°n
180°-140°=360°
40°n=360°
n=360°/40°
n=9
Hence, the number of sides of the polygon is 9.
It is nonagon .
