Answer:
10 i think
Step-by-step explanation:
We want to calculate the following

Using the properties of exponents, we have that

So we have

So, if factor 10^-4 on the right side, we have

Note that

Then,

So we have that
Answer: the answer is 6)
Step-by-step explanation:
Because
.
=
=
I hope it right
Answer:
12,7
Step-by-step explanation:
use pathogaras theorem
c^2=a^2+b^2