2^5 ... 2 x 2 x 2 x 2 x 2
Answer:
2x - 5
Step-by-step explanation:
2x + 4 - 9
the 2x gonna stay
so you take 4 - 9 = -5
so the answers gonna be 2x - 5
bc the 5 is negative so you gonna subtract
I hope you understand my english...
The 2 outside the brackets means that everything within the brackets needs to be multiplied by 2
By definition, the number
is the ratio between the circumference and the diameter:

This implies that

And so your circumference is 