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bulgar [2K]
2 years ago
7

6a to the 3/4 power a=16

Mathematics
1 answer:
Katarina [22]2 years ago
6 0

Answer:

The answer is 48

Step-by-step explanation:

* Lets explain how to solve the problem

- The radical can be written as a fraction power:

 \sqrt[n]{x^{m} }=x^{\frac{m}{n}}

- We can simplify the fraction power by factorize the base of the power

 to numbers divisible by the power if it could

- Ex: 25^{\frac{1}{2}} we can factorize 25 to 5² and then

 make [(5)^{2}]^{\frac{1}{2}}=(5)^{2*\frac{1}{2}}=5

* <u><em>Lets solve the problem</em></u>

- We want to find the value of 6a^{\frac{3}{4}} , where a = 16

- Substitute the value of a by 16

∴ 6(16)^{\frac{3}{4}}

- Lets factorize 16

∵ 16 can be written as 2 × 2 × 2 × 2

∴ 16=2^{4}

- Replace 16 by 2^{4}

∴ 6(2^{4})^{\frac{3}{4}}=6(2^{4*\frac{3}{4}})=6(2^{3})

- Now solve 2³

∵ 2³ = 8

∴ 6(8) = 48

∴ 6a^{\frac{3}{4}} = 48

* The answer is 48

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