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scoray [572]
3 years ago
15

Simplify this exponent 3^-2

Mathematics
1 answer:
mylen [45]3 years ago
8 0

Answer:

1/9 or .11111111111111111111111111111111111111...

Step-by-step explanation:

The power of two means that it will be 9, but the negative power means it will be the denominator and 1 will be the numerator (top number).

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A dose of medicine is made by diluting one part of concentrate to 5 parts of water. How much of the concentrate should there be
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Answer:

15 ml

Step-by-step explanation:

If we mix 1 part concentrate and 5 parts water, we have 6 parts in total.

To create 90ml medicine, <em>how many "6 parts" are there?</em>

There would be 90/6 = 15 total "6 parts".

Each of the "6 parts's" 1 part is concentrate, so concentrate would be 1 * 15 = 15 ml.

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\frac{Concentrate}{Total(Water+Concentrate)}=\frac{1}{5+1}=\frac{1}{6}\\\frac{1}{6}*90=15

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The simplest interpretation would go a little something like this:

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