Answer:
3
Step-by-step explanation:
y=7-4
y=3
Answer:
The exponents of a start at n and decrease until they reach 0 . The exponents of b start at 0 and increase until they reach n
Step-by-step explanation:
The general formula for is:
Therefore, the exponents of a start at n and decrease until they reach 0 . The exponents of b start at 0 and increase until they reach n
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