Question

Vaughn is calculating the volume of the cylinder below using the following work

What was Vaughn’s first error?

He confused the height and the diameter.
He squared 12 instead of 24.
He applied the exponent before multiplying 12 and 5.
He used the wrong units in his final answer.

Answer 1

a

Explanation:

i just took the test

Answer 2

He confused the height and the diameter

Explanation:

the formula should have looked like this

V= 3.14 (2.5)^2 (24)

the reason why it is 2.5 and not 5 is because 5 is the diameter so divide 5 by 2 and you get 2.5

V= 3.14 (6.25) (24)

V= 3.14 (150)

V= 471