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the objective of a telescope is 20 cm and eyepiece of 5.0cm focal length. what is magnifying power and length of a telescope​

By Gabriella

the objective of a telescope is 20 cm and eyepiece of 5.0cm focal length. what is magnifying power and length of a telescope​

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Gabriella

Correct the errors in the sentences. Make other necessary changes.
1. We witnessed a wonderful phenomena a while back.

What number must be taken away from the sum of 6789678 and 1234567 to make it equal to the difference of the given numbers?

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