Answer:
10x cm
Step-by-step explanation:
e.g.
5cm cm x 10 = 50cm
--> 10x cm
Zero does not have a opposite, because it is not a positive number nor a negative number. It has no reciprocal either
hope this helps
This is a combination problem, as the order is not important... So:
There are a total of 6 people, and 4 options available....
n = 6 and r = 4....
Using the combination formula: C(n,r) (Simply use a calculator online or your own)....
C(6,4) = 15.
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