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Llana [10]
3 years ago
15

Which of the following is the radical expression of a to the four ninths power ?

Mathematics
1 answer:
LuckyWell [14K]3 years ago
6 0

Given expression in exponential form : a^{\frac{4}{9} }.

We need to convert it into radical form.

<em>Please note: When we convert an exponential to radical form, the top number goes in the exponent of the term and bottom number of the fraction goes in the radical sign to make it nth radical.</em>

We can apply following rule:

(a)^{\frac{m}{n}}= \sqrt[n]{x^m}.

Therefore,

a^{\frac{4}{9} }= \sqrt[9]{a^4}.

Therefore, correct option is : D. ninth root of a to the fourth power.

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A certain virus is dying off at a rate of 18% per hour. Initially there were
djyliett [7]

Answer:

3 strain would still alive after 48 hours

Step-by-step explanation:

Initial population of virus = 40000 grams

A certain virus is dying off at a rate of 18% per hour.

We are supposed to find  how much of the  strain would still be alive after 48 hours

Formula : N(t)=N_0(1-r)^t

N_0=Initial population

N(t)= Population after t hours

r = rate of decrease = 18% = 0.18

t = time = 48 hours

So,the  strain would still be alive after 48 hours=40000(1-0.18)^{48}=2.91 \sim 3

Hence 3 strain would still alive after 48 hours

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3 years ago
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boyakko [2]
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3 years ago
How to find the surface area of triangular prisms<br> ?
Lunna [17]

Answer:

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To find the area of the triangular faces, use the formula A = 1/2bh,

Step-by-step explanation:

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2nd formula where A = area, b = base, and h = height.

8 0
3 years ago
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Answer:

  The first question is A.

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If the factory has available 270 tires, 90 frames, and 170 pedals, which item would limit the amount of complete tricycles that
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Answer:

The pedals

Step-by-step explanation:

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