Answer:
81.64
Step-by-step explanation:
do 13 times 2 times pi
so 26 times 3.144
correct me if this is wrong
B. I hope this help please let me know if it's correct.
Answer:

Step-by-step explanation:
It is saying to subtract 3 from the product of 2 and the variable, y.
Answer:
4
Step-by-step explanation:
7-3=4
Let's see -
We already know that a number raised to a certain power means repeated multiplication, right? So, all we have to do is multiply 5 × 5 × 5 × 5
436 times! I know, big, right?
This WILL give you a decimal answer and a + sign, so please don't be confused with me!
5 raised to the 436th power is going to give you
= 5.635362925894614e + 304
Crazy, right?
↑ ↑ ↑ Hope this helps! :D