Answer: 23.4
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
The volume (V) of a sphere is calculated as
V = πr³ ← r is the radius, thus
V = π × 4³ = π × 64
= π m³ → C
Answer:
475 is the answer. hope that helped
Answer: 11/243
Step-by-step explanation:
Each question has 3 options: 2 incorrect and 1 correct
Probability P(correct guessing) = 1/3
P(wrong guessing) = 2/3
Probability P(4 answers correct) = 5C4 × (1/3)^4 ×(2/3)^1
Probability P(5 answers guessed correctly) =5C5 ×( 1/3)5
Therefore Probability P(4 or more answers correct) = P(4) + P(5) = (10/3^5) +( 1/3^5)
P(4 or more correct answers) = 11/243
Blue 9 x 3 = 27
red 3 x 3 = 9
27 + 9 = 36
I hope this helps