Alright well for (A) you will round $5280 to $5300. Then you multiply $5300 by 28.
For (B) you just round up. So again $5280 rounds up to $5300.
Answer:
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Answer:
the third is correct
Step-by-step explanation:
Answer:
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First, we need to know the following properties:
Then, we can rewrite the expression as:
Now, we can replace a by 3 and b by -2 and get:
Answer: 1