Answer:
B correct me if i am wrong!
Step-by-step explanation:
You use the distributive property.
9 times v = 9v
9 times -4 = -36
Therefore the answer is
9v-36
Answer:
C. 30(-2)= -60 is the correct answer
Step-by-step explanation:
The correct answer is 66.
Answer:
17.4 (3 Significant numbers)
Step-by-step explanation:
Formula for finding Cylinder : π r² h
So your 5453 = π x (20cm ÷ 2)² x height
To get height (tallness), divide 5453 by (100π)
Depending on your π, your answer should be either, 17.366 / 17.35 / 17.357 which all rounds up to 17.4 if your question asks for 3 significant figures