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Zanzabum
3 years ago
10

Simplify. Write the expression using only positive exponents. m^−2 times n^3

Mathematics
2 answers:
steposvetlana [31]3 years ago
8 0
N^3/m^2 I believe is what you’re looking for
Sladkaya [172]3 years ago
8 0

Answer:

\boxed{\bold{\frac{n^3}{m^2}}}

Step By Step Explanation:

  • Apply Exponent Rule \bold{\:a^{-b}=\frac{1}{a^b}}

\bold{m^{-2}=\frac{1}{m^2}}

\bold{n^3\frac{1}{m^2}}

  • Multiply Fractions \bold{\:a\cdot \frac{b}{c}=\frac{a\:\cdot \:b}{c}}

\bold{\frac{1\cdot \:n^3}{m^2}}

  • Multiply: \bold{1\cdot \:n^3=n^3}

\bold{\frac{n^3}{m^2}}

\boxed{\bold{Mordancy}}

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The rule of 72 is used to determine how long it will take an investment to ___. For an Investment of $5,000 earning 7% annually,
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Answer:

The rule of 72 is used to determine how long it will take an investment to Double

For an Investment of $5,000 earning 7% annually, this will take about ten years

Step-by-step explanation:

The rule of 72 says that to find the number of years required to double your money at a given interest rate, you just divide 72 by the interest rate

Example:

If you want to know how long it will take to double your money at 9% interest, divide 72 by 9 you will get 8 years

The formula of the rule of 72 is Y = \frac{72}{r}

Let us complete the missing

The rule of 72 is used to determine how long it will take an investment to Double

The missing word is "Double"

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∵ The annual interest is 7%

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∵ Y = \frac{72}{r}

∵ r = 7

∴ Y = \frac{72}{7}

∴ Y = 10.29

- Round it to the nearest year

∴ Y ≅ 10 years

For an Investment of $5,000 earning 7% annually, this will take about ten years

The missing word is "ten"

5 0
3 years ago
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agasfer [191]
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Step-by-step explanation:

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