Answer Happy

An object is placed 43.2 cm from a first converging lens of
focal length 12.5 cm. A second converging lens with focal length
5.00 cm is placed 20.0 cm to the right of the first converging
lens.
(a) Find the position di1 of the image formed by the first
converging lens. (Enter your answer to at least two decimal
places.)
(b) What is the value of do2, the object position for the second
lens? (Enter your answer to at least two decimal places.)
Incorrect: Your answer is incorrect. The response you submitted has
the wrong sign.cm
(c) Find the position di2 of the image formed by the second
lens. (Enter your answer to at least two decimal places.) cm
(d) Calculate the magnification of the first lens.
(e) Calculate the magnification of the second lens.
(f) What is the total magnification for the system?
(g) Is the final image real or virtual (compared to the original
object for the lens system)?
Is it upright or inverted (compared to the original object for
the lens system)?