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# need a question answered

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1. anyone know the answer to this.

X^0.4= 2.3076
so whats x?

and the working out?

2. (Original post by imMcLovin)
anyone know the answer to this.

X^0.4= 2.3076
so whats x?

and the working out?
Have you studied logarithms?
3. (Original post by raheem94)
Have you studied logarithms?
no its just a general question i need answered for my cousin
4. (Original post by TenOfThem)

hi thanks for the reply is there any specific way to work that out or is that just a general rule
5. (Original post by imMcLovin)
no its just a general question i need answered for my cousin
No logs needed ... see my post 2
6. (Original post by imMcLovin)
hi thanks for the reply is there any specific way to work that out or is that just a general rule
power of a is the reciprocal of the power of x
7. (Original post by imMcLovin)
no its just a general question i need answered for my cousin
So do it as tenofthem said.

0.4=2/5,
8. (Original post by raheem94)
So do it as tenofthem said.

0.4=2/5,
ok thanks so thats the final answer right?!
9. well you need to do the sum
10. (Original post by TenOfThem)
well you need to do the sum
can you do the full sum for me plz. i havent studied maths in like five years this is for my cousin
11. (Original post by imMcLovin)
ok thanks so thats the final answer right?!
Sorry, i can't give you the answer here. But infact my previous post makes the answer very obvious.

Can you do it now?

Hint: use a calculator
12. ok got it. thanks

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