1. 16^(-0.25)

i know that: 16^(-0.5) = 0.25

but how can i solve this one?

thanks

2. Originally Posted by makaveli89
i know that: 16^(-0.5) = 0.25

but how can i solve this one?

thanks
Note that $16=2^4$

So you have $16^{-\frac{1}{4}}=2^{4\cdot(-\frac{1}{4})}=2^{-1}$

I'm sure you can take it from here.

--Chris