4800 is the answer.
48x100= 4800
Answer:19%,1/5,0.23
Step-by-step explanation:
If you convert them to decimals,The numbers are .19 .20 .23
Answer:
multiplacation
Step-by-step explanation:
it means times 2
Answer:
Complex and imaginary number
Step-by-step explanation:
First, let's write the number
in the form of 
.
Since can be written in the form of 
, where 
and 
are real numbers, it is a complex number.
Also, since 
, it is also an imaginary number.
is complex and imaginary.
Let x=small circle
2x = bigger circle
πx^2 + π(2x)^2 = 80π
x^2 + 4x^2 = 80
5x^2 = 80
x^2 = 16
x = +/- 4
but we need the positive one because there's no negative measurement so
the answers are:
4m and 8m
