Answer:
A
Step-by-step explanation:
the length of the arc is calculated as
arc = circumference of circle × fraction of circle
= 2πr ×
= 2π × 8 ×
= 16π × = m
Parallelogram
Step-by-step explanation: You have to plot the points in a coordinate plane. If you do that and connect the dots you will get parallelogram.
The scientific notation:
Used:
Answer: (4 × 10⁸)² = 1.6 × 10¹⁷
i believe it would be -3
9 + -12 = -3
