Find the percent decreased original price: $40 sale price: $30
1 answer:
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<h3>Answer: 3^9</h3>
This is the same as writing
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How to get that answer:
The lowest height is 3^8, and the highest point is 3 times that value.
We can think of that second "3" as really 3^1. This is because x^1 = x for any real number.
Multiply 3^8 and 3^1 using the rule that a^b*a^c = a^(b+c). We add the exponents together.
Therefore, 3^8*3^1 = 3^(8+1) = 3^9
Side notes:
- 3^8 = 6,561
- 3^9 = 19,683