Hasan plans to choose a book from a section of the store where everything is 25%25% off. He writes the expression d−0.25dd-0.25d
to find the sale price of the book if the original price is dd dollars. Bella correctly writes another expression, 0.75d0.75d, that will also find the sale price of the book if the original price is dd dollars. Use the drop-down menus to explain what each part of Hasan's and Bella's expressions mean.
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Hello!
Recall that:
is equal to
. Therefore:
There is also an exponent of '6' outside. According to exponential properties, when an exponent is within an exponent, you multiply them together. Therefore:
