That is just absolute value, basically what it means is take off whatever sign there was attached to it (such as a negative sign)
I don’t see a picture to answer this
Answer:
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Step-by-step explanation:
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Answer: 1)
a combination
b permutation
c permutation
d permutation
2)
B coz 6 and 11 is the only combination which can have 462 possibilities as they r both factors of 462