Answer:
5.4%
Step-by-step explanation:
percent error = |(measured - actual value) / actual value * 100| = |(7.8-7.4) / 7.4 * 100| ≈ 5.4%
Answer:
-1
Step-by-step explanation:
5(-5) + 6(4)
-25 + 24 = 1
Answer:
Perimeter = 180
Area = 1080
Step-by-step explanation:
Perimeter is length of all sides added together. 30+78+72 = 180
Area is the length times the height/2 for a triangle. 30*72/2 = 1080
I hope this helped <3
Answer:
Step-by-step explanation:
Multiplying powers with same base