3 years ago

The table shows the discount and sales tax rate applied to a sheet set

Mathematics

2 answers:

Oxana [17]3 years ago

6 0

Answer:

a or b my guts tell me b

Step-by-step explanation:

vazorg [7]3 years ago

3 0

Answer:

It would be B

Step-by-step explanation:

Hope this helps.

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Answer:

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Step-by-step explanation:

3+-1=2

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3+1=4

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3 years ago

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ivanzaharov [21]

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Sveta_85 [38]

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3 years ago

Simplify the expression using properties of exponents. 25a^-5b^-8/5a^4b

ivanzaharov [21]

Answer: The simplification is $5*a^{-9}*b^{-9}$

Step-by-step explanation:

Here we need to use the property:

$\frac{a^n}{a^m} = a^{n - m}$

We have the expression:

$\frac{25*a^{-5}*b^{-8}}{5*a^{4}*b}$

We can separate it in parts with the same base, then we can rewrite this as:

$\frac{25*a^{-5}*b^{-8}}{5*a^{4}*b} = \frac{25}{5} \frac{a^{-5}}{a^4} \frac{b^{-8}}{b}$

Using the first property we can rewrite this as:

$\frac{25}{5} \frac{a^{-5}}{a^4} \frac{b^{-8}}{b} = 5*a^{-5 - 4}*b^{-8 - 1} = 5*a^{-9}*b^{-9}$

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3 years ago