Answer:
12
Step-by-step explanation:
Answer:
It would be unusual to get 4 or more questions correct by guessing alone.
Step-by-step explanation:
You have a 1 in 3 probability(there are three choices) of guessing the correct answer for a single question. You have 12 opportunities to guess.
So, the probability will be = = 4
Therefore, it would be unusual to get 4 or more questions correct by guessing alone.
V = pi*r^2*h
V = 490
h = 10
490 = pi*r^2*10
r = 3.95
Answer:
option 3,
Step-by-step explanation:
The formula to find the volume of a sphere is
where r os the radius
given: diameter = 18in
radius = diameter / 2
radius = 18 / 2
r = 9in
Plug in radius:
cancel common factor: 3
Let me know if you have any questions !
Exponent equation can be written in a logarithmic form.
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