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fenix001 [56]
3 years ago
10

3 with an exponent -5

Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer:The answer would be 1/243

———————————————

In decimal form is would be: 0.00411522 . . .

kakasveta [241]3 years ago
6 0

Answer: 1/243

Step-by-step explanation:

3^-5=  1/(3^5) = 1/ (3*3*3*3*3) = 1/243

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To find the answer you need to find the common factor of numbers 25 and 60

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4 years ago
How many hundredths are in one tenth? Explain using pennies and dimes.
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Answer:

11 ways

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Step-by-step explanation:

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3 years ago
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4 years ago
A geometric series has second term 375 and fifth term 81 . find the sum to infinity of series .
Eduardwww [97]

Answer:  \bold{S_{\infty}=\dfrac{3125}{2}=1562.5}

<u>Step-by-step explanation:</u>

  a₁,  375,  a₃,   a₄,  81

First, let's find the ratio (r). There are three multiple from 375 to 81.

375r^3=81\\\\r^3=\dfrac{81}{375}\\\\\\r^3=\dfrac{27}{125}\qquad \leftarrow simplied\\\\\\\sqrt[3]{r^3} =\sqrt[3]{\dfrac{27}{125}}\\ \\\\r=\dfrac{3}{5}

Next, let's find a₁

a_1\bigg(\dfrac{3}{5}\bigg)=375\\\\\\a_1=375\bigg(\dfrac{5}{3}\bigg)\\\\\\a_1=125(5)\\\\\\a_1=625

Lastly, Use the Infinite Geometric Sum Formula to find the sum:

S_{\infty}=\dfrac{a_1}{1-r}\\\\\\.\quad =\dfrac{625}{1-\frac{3}{5}}\\\\\\.\quad =\dfrac{625}{\frac{2}{5}}\\\\\\.\quad = \dfrac{625(5)}{2}\\\\\\.\quad = \large\boxed{\dfrac{3125}{2}}

7 0
3 years ago
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