Answer:
I hope that this can help you
Answer:
4
Step-by-step explanation:
The answer should be ∆ABD is congruent to ∆CBD by reflection.
Answer:
a) The value of
is 81.30.
b) The value of
is 81.
Step-by-step explanation:
a) The value of
is the ratio of the mass of the Earth to the mass of the Moon. That is:


The value of
is 81.30.
b) If
is a integer, then the result must have only two significant figures. Given the result, we must approximate to the closest integer. That is:

The value of
is 81.
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